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Al-numaani SA, Al-Nemari AT, El-Kafrawy SA, Hassan AM, Tolah AM, Alghanmi M, Zawawi A, Masri BE, Hindawi SI, Alandijany TA, Bajrai LH, Bukhari A, Mahmoud AB, Al Salem WS, Algaissi A, Charrel RN, Azhar EI, Hashem AM. Seroprevalence of Toscana and sandfly fever Sicilian viruses in humans and livestock animals from western Saudi Arabia. One Health 2023; 17:100601. [PMID: 37520847 PMCID: PMC10372353 DOI: 10.1016/j.onehlt.2023.100601] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 08/01/2023] Open
Abstract
High seroprevalence rates of several phleboviruses have been reported in domestic animals and humans in sandfly-infested regions. Sandfly Fever Sicilian virus (SFSV) and Toscana virus (TOSV) are two of these viruses commonly transmitted by Phlebotomus sandflies. While SFSV can cause rapidly resolving mild febrile illness, TOSV could involve the central nervous system (CNS), causing diseases ranging from aseptic meningitis to meningoencephalitis. Sandfly-associated phleboviruses have not been investigated before in Saudi Arabia and are potential causes of infection given the prevalence of sandflies in the country. Here, we investigated the seroprevalence of SFSV and TOSV in the western region of Saudi Arabia in samples collected from blood donors, livestock animals, and animal handlers. An overall seroprevalence of 9.4% and 0.8% was found in humans for SFSV and TOSV, respectively. Seropositivity was significantly higher in non-Saudis compared to Saudis and increased significantly with age especially for SFSV. The highest seropositivity rate was among samples collected from animal handlers. Specifically, in blood donors, 6.4% and 0.7% tested positive for SFSV and TOSV nAbs, respectively. Animal handlers showed higher seroprevalence rates of 16% and 1% for anti-SFSV and anti-TOSV nAbs, respectively, suggesting that contact with livestock animals could be a risk factor. Indeed, sera from livestock animals showed seropositivity of 53.3% and 4.4% in cows, 27.5% and 7.8% in sheep, 2.2% and 0.0% in goats, and 10.0% and 2.3% in camels for SFSV and TOSV, respectively. Together, these results suggest that both SFSV and TOSV are circulating in the western region of Saudi Arabia in humans and livestock animals, albeit at different rates, and that age and contact with livestock animals could represent risk factors for infection with these viruses.
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Affiliation(s)
- Sarah Ayman Al-numaani
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Alaa Talat Al-Nemari
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sherif A. El-Kafrawy
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmed M. Hassan
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmed M. Tolah
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Rabigh, Saudi Arabia
| | - Maimonah Alghanmi
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ayat Zawawi
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Badr Essa Masri
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Salwa I. Hindawi
- Department of Hematology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Thamir A. Alandijany
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Leena H. Bajrai
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdullah Bukhari
- Department of Medicine, Faculty of Medicine, Imam Mohammed Ibn Saud Islamic University, Riyadh, Saudi Arabia
| | - Ahmad Bakur Mahmoud
- Department of Medical Laboratory Technology, College of Applied Medical Sciences, Taibah University, Almadinah Almunwarah, Saudi Arabia
| | - Waleed S. Al Salem
- Department of Agriculture, Ministry of Environment, Water and Agriculture, Riyadh, Saudi Arabia
| | - Abdullah Algaissi
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
- Emerging and Epidemic Infectious Diseases Research Unit, Medical Research Center, Jazan University, Jazan, Saudi Arabia
| | - Remi N. Charrel
- Unité des Virus Emergents (UVE: Aix Marseille Univ, IRD 190, INSERM 1207, IHU Méditerranée Infection), Marseille, France
| | - Esam I. Azhar
- Special Infectious Agents Unit- BSL3, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Anwar M. Hashem
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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Sellali S, Lafri I, Ayhan N, Medrouh B, Messahel NE, Lafri M, Charrel R, Bitam I. Neutralizing based seroprevalence study of Toscana virus in livestock from Algeria. Comp Immunol Microbiol Infect Dis 2023; 103:102075. [PMID: 37922744 DOI: 10.1016/j.cimid.2023.102075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 11/07/2023]
Abstract
Toscana virus is a sandfly-borne human pathogen belonging to Phlebovirus genus into Phenuiviridae family. It is emerging in north Africa posing a complex threat to public health. TOSV is heavily affecting sandfly-exposed people in northern Algeria. A larger distribution has recently been stated in Algeria by using dog sera. Dog exposure to TOSV was repeatedly identified in north Algeria, with 4.56% lately detected to possess respective neutralizing antibodies. However, evidence for TOSV has only been observed in dogs among various species of domestic animals. Therefore, we attempted to assess sera from 221 livestock comprising cattle, sheep, goats, rabbits and horses, to identify the presence of TOSV neutralizing antibodies. The study was conducted during 2017, in 11 areas from the governorates of Blida, Medea, Algiers, Tipaza, Ain Defla, Tissemsilt in the north center, and Setif, Mila, Tizi Ouzou, Jijel in the northeast of Algeria. Positive results were obtained in 14.6% (12/82) cattle, 17.18% (11/64) sheep, 15% (3/20) horses and 3.33% (1/30) goats, whereas rabbits remained negative. Positive samples originated mainly from the north centre, with new areas being first-ever detected. The seroprevalence was noticed to be very strongly related to sample origin (p < 0.01). Females (OR=4.09) were observed to be more likely infected. Our findings represent a further proof of TOSV circulation in Algeria. Moreover, they revealed a potential role of livestock (p = 0.00731) in its natural cycle. This fact emphasize how important is to elucidate the exact contribution of livestock to the epidemiology of sandfly-borne phleboviruses, and their impact on public health.
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Affiliation(s)
- Sabrina Sellali
- Institut des Sciences Vétérinaires, Université Blida 1, Blida, Algeria; Laboraoire des Biotechnologies Liées à la Reproduction Animale (LBRA), Institut des Sciences Vétérinaires Université Blida 1, Blida, Algeria
| | - Ismail Lafri
- Institut des Sciences Vétérinaires, Université Blida 1, Blida, Algeria; Laboraoire des Biotechnologies Liées à la Reproduction Animale (LBRA), Institut des Sciences Vétérinaires Université Blida 1, Blida, Algeria
| | - Nazli Ayhan
- Unité des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, AP-HM Hôpitaux Universitaires de Marseille, Marseille, France
| | - Bachir Medrouh
- Center of Research in Agro-pastoralism, Djelfa 17000, Algeria
| | | | - Mohamed Lafri
- Institut des Sciences Vétérinaires, Université Blida 1, Blida, Algeria; Laboraoire des Biotechnologies Liées à la Reproduction Animale (LBRA), Institut des Sciences Vétérinaires Université Blida 1, Blida, Algeria
| | - Remi Charrel
- Unité des Virus Emergents (UVE: Aix Marseille Université, IRD 190, Inserm 1207, AP-HM Hôpitaux Universitaires de Marseille, Marseille, France
| | - Idir Bitam
- Center of Research in Agro-pastoralism, Djelfa 17000, Algeria.
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Shahhosseini N, Paquette SJ, Kayedi MH, Abaei MR, Sedaghat MM. Genetic Characterization of Sandfly-Borne Viruses in Phlebotomine Sandflies in Iran. Microorganisms 2023; 11:2754. [PMID: 38004764 PMCID: PMC10673459 DOI: 10.3390/microorganisms11112754] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/25/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
Phleboviruses are classified into two main groups: the sandfly fever group (transmitted by sandflies and mosquitoes) and the Uukuniemi group (transmitted by ticks). Old World sandfly-borne viruses (SBVs) are classified into four main serocomplexes; sandfly fever Naples viruses (SFNVs), sandfly fever Sicilian viruses (SFSVs), Karimabad viruses (KARVs), and Salehabad viruses (SALVs). This study addresses current knowledge gaps on SBVs in Iran by focusing on identification and molecular epidemiology. We used PCR to examine DNA/RNA extracts to identify sandfly species and evaluate for SBV presence. We identified five specimens positive for phleboviruses: one Ph. sergenti for Tehran virus (TEHV), one Ph. papatasi for SFSV, and two Ph. papatasi and one Ph. perfiliewi for KARV. A phylogenetic tree indicated that the TEHV isolate from this study formed a cluster with previous isolates of TEHV, Zerdali virus, and Fermo virus. Meanwhile, the identified SFSV isolate fell in lineage I and was grouped with previous isolates of SFSVs and Dashli virus in Iran. Finally, the KARV isolates from this study formed a monophyletic clade in a sister relationship with other viruses in KARV lineages I and II. This comprehensive study on SBVs in Iran provided new insights into the molecular epidemiology of TEHV, SFSVs and KARVs in this country.
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Affiliation(s)
- Nariman Shahhosseini
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada;
| | - Sarah-Jo Paquette
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada;
| | - Mohammad Hassan Kayedi
- Razi Herbal Medicines Research Center, Department of Parasitology and Mycology, School of Medicine, Lorestan University of Medical Sciences, Khorramabad 6814993165, Iran;
| | - Mohammad Reza Abaei
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran 141556446, Iran;
| | - Mohammad Mehdi Sedaghat
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran 141556446, Iran;
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Polat C, Ayhan N, Saygan MB, Karahan S, Charrel R, Ergünay K. Comprehensive Cross-Sectional Evaluation of Human Sandfly-Borne Phlebovirus Exposure in an Endemic Region. Viruses 2023; 15:1902. [PMID: 37766308 PMCID: PMC10535931 DOI: 10.3390/v15091902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Sandfly-borne phleboviruses are endemic in countries around the Mediterranean Basin and pose a significant health threat for populations, with symptoms spanning from febrile diseases to central nervous system involvement. We carried out a comprehensive cross-sectional screening via microneutralization (MN) assays for a quantitative assessment of neutralizing antibodies (NAs) to seven phleboviruses representing three distinct serocomplexes, using samples previously screened via immunofluorescence assays (IFAs) in Turkey, an endemic region with various phleboviruses in circulation. We detected NAs to three phleboviruses: Toscana virus (TOSV), sandfly fever Naples virus (SFNV), and sandfly fever Sicilian virus (SFSV), while assays utilizing Adana virus, Punique virus, Massilia virus, and Zerdali virus remained negative. The most frequently observed virus exposure was due to TOSV, with a total prevalence of 22.6%, followed by SFNV (15.3%) and SFSV (12.1%). For each virus, IFA reactivity was significantly associated with NA detection, and further correlated with NA titers. TOSV and SFSV seroreactivities were co-detected, suggesting exposure to multiple pathogenic viruses presumably due to shared sandfly vectors. In 9.6% of the samples, multiple virus exposure was documented. In conclusion, our findings demonstrate widespread exposure to distinct pathogenic phleboviruses, for which diagnostic testing and serological screening efforts should be directed.
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Affiliation(s)
- Ceylan Polat
- Department of Medical Microbiology, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
- Unité des Virus Emergents, Aix Marseille University, IRD 190, INSERM U1207, 13005 Marseille, France
| | - Nazlı Ayhan
- Unité des Virus Emergents, Aix Marseille University, IRD 190, INSERM U1207, 13005 Marseille, France
- National Reference Center for Arboviruses, National Institute of Health and Medical Research (Inserm) and French Armed Forces Biomedical Research Institute (IRBA), 13005 Marseille, France
| | - Mehmet Bakır Saygan
- Middle Anatolia Regional Blood Center, Turkish Red Crescent Society, Ankara 06378, Turkey
| | - Sevilay Karahan
- Department of Biostatistics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Remi Charrel
- Unité des Virus Emergents, Aix Marseille University, IRD 190, INSERM U1207, 13005 Marseille, France
- Laboratoire des Infections Virales Aigues et Tropicales, Pole des Maladies Infectieuses, AP-HM Hopitaux Universitaires de Marseille, 13005 Marseille, France
| | - Koray Ergünay
- Department of Medical Microbiology, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
- Walter Reed Biosystematics Unit (WRBU), Smithsonian Institution Museum Support Center, Suitland, MD 20746, USA
- One Health Branch, Walter Reed Army Institute of Research (WRAIR), Silver Spring, MD 20910, USA
- Department of Entomology, Smithsonian Institution-National Museum of Natural History (NMNH), Washington, DC 20560, USA
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Velásquez Londoño M, Stuckert AMM, Vivero RJ, Matute DR. Diversity of cave Phlebotomines (Diptera: Psychodidae) from a Colombian cave. Acta Trop 2022; 233:106515. [PMID: 35605671 DOI: 10.1016/j.actatropica.2022.106515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 05/12/2022] [Accepted: 05/12/2022] [Indexed: 01/11/2023]
Abstract
Sandflies are vector species of Leishmania, among many other pathogens, with a global distribution and a variety of ecological niches. Previous samplings have found that karstic formations (i.e., caves, grottos, and folds formed by the erosion of limestone) serve as a natural habitat to sandfly species. The majority of samplings of cave sandfly diversity have occurred in Brazil and to date none have studied the species composition in a cave in the Northern Andes. We collected sandflies in the Cave "Los Guácharos", in the state of Antioquia, Colombia. The sampling was carried out during two consecutive nights in September 2019. CDC-type light traps were installed inside the cavern and in other surrounding karst systems (caves, rock-breaks, and folds). In total, we identified 17 species of sandfly from the cave and surrounding karst systems, including a new record for Colombia (Bichromomyia olmeca), and provide the first karstic reports for four other species (Lutzomyia gomezi, Lutzomyia hartmanni, Pintomyia ovallesi, and Psychodopygus panamensis). We then used the results of our survey and published literature to test two hypotheses. First, that sandfly diversity in Neotropical caves is richest nearer to the equator, and second that there is a phylogenetic signal of karstic habitat use in sandflies. Counter to our predictions, we found no evidence that diversity follows a latitudinal gradient. Further, we find no evidence of a phylogenetic signal of karstic habitat use, instead finding that the use of caves likely evolved multiple times across several genera. Our results highlight the importance of a wide sampling to understand the natural habitat of sandflies and other disease vectors.
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Affiliation(s)
| | - Adam M M Stuckert
- Biology Department, University of North Carolina, 250 Bell Tower Drive, Genome Sciences Building, Chapel Hill, NC 27510, United States
| | - Rafael J Vivero
- Programa de Estudio y Control de Enfermedades Tropicales, Universidad de Antioquia; Grupo de Microbiodiversidad y Bioprospección, Universidad Nacional de Colombia, Sede Medellín
| | - Daniel R Matute
- Biology Department, University of North Carolina, 250 Bell Tower Drive, Genome Sciences Building, Chapel Hill, NC 27510, United States.
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Bopp L, Kreuter A, von Stebut E, Fabri M. [Virus-induced exanthems in returning travellers]. Hautarzt 2022; 73:462-474. [PMID: 35554622 PMCID: PMC9100320 DOI: 10.1007/s00105-022-05001-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2022] [Indexed: 10/25/2022]
Abstract
Dermatological diseases are among the most common travel-associated diseases. In particular, viral infections not only with tropical and subtropical pathogens, but also with viruses common in Germany, which are often accompanied by skin rashes and general symptoms, are of great importance. In addition to an accurate travel history and possible risk exposures, epidemiological information on country-specific risks in combination with molecular and serological analyses is helpful in making the correct diagnosis. This article provides an overview of important virus-induced exanthems in returned travellers.
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Affiliation(s)
- Luisa Bopp
- Medizinische Fakultät und Uniklinik Köln, Klinik für Dermatologie und Venerologie, Universität zu Köln, Kerpener Str. 62, 50937, Köln, Deutschland.
| | - Alexander Kreuter
- Klinik für Dermatologie, Venerologie und Allergologie, HELIOS St. Elisabeth Klinik Oberhausen, Universität Witten/Herdecke, Oberhausen, Deutschland
| | - Esther von Stebut
- Medizinische Fakultät und Uniklinik Köln, Klinik für Dermatologie und Venerologie, Universität zu Köln, Kerpener Str. 62, 50937, Köln, Deutschland
| | - Mario Fabri
- Medizinische Fakultät und Uniklinik Köln, Klinik für Dermatologie und Venerologie, Universität zu Köln, Kerpener Str. 62, 50937, Köln, Deutschland
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Ayhan N, Alten B, Ivovic V, Cvetkovikj A, Stefanovska J, Martinkovic F, Piorkowski G, Moureau G, Gould EA, Pettersson JHO, de Lamballerie X, Charrel RN. Field surveys in Croatia and North Macedonia reveal two novel phleboviruses circulating in sandflies. J Gen Virol 2021; 102. [PMID: 34797756 DOI: 10.1099/jgv.0.001674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Sandfly-borne phleboviruses are distributed widely throughout the Mediterranean Basin, presenting a threat to public health in areas where they circulate. However, the true diversity and distribution of pathogenic and apathogenic sandfly-borne phleboviruses remains a key issue to be studied. In the Balkans, most published data rely on serology-based studies although virus isolation has occasionally been reported. Here, we report the discovery of two novel sandfly-borne phleboviruses, provisionally named Zaba virus (ZABAV) and Bregalaka virus (BREV), which were isolated in Croatia and North Macedonia, respectively. This constitutes the first isolation of phleboviruses in both countries. Genetic analysis based on complete coding sequences indicated that ZABAV and BREV are distinct from each other and belong to the genus Phlebovirus, family Phenuiviridae. Phylogenetic and amino acid modelling of viral polymerase shows that ZABAV and BREV are new members of the Salehabad phlebovirus species and the Adana phlebovirus species, respectively. Moreover, sequence-based vector identification suggests that ZABAV is mainly transmitted by Phlebotomus neglectus and BREV is mainly transmitted by Phlebotomus perfiliewi. BREV neutralizing antibodies were detected in 3.3% of human sera with rates up to 16.7% in certain districts, demonstrating that BREV frequently infects humans in North Macedonia. In vitro viral growth kinetics experiments demonstrated viral replication of both viruses in mammalian and mosquito cells. In vivo experimental studies in mice suggest that ZABAV and BREV exhibit characteristics making them possible human pathogens.
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Affiliation(s)
- Nazli Ayhan
- Unite des Virus Emergents (Aix-Marseille Univ - IRD 190 - Inserm 1207 - IHU Mediterranee Infection), Marseille, France
| | - Bulent Alten
- Faculty of Science, Department of Biology, Ecology Division, VERG Labs, Hacettepe University, Beytepe, Ankara, Turkey
| | - Vladimir Ivovic
- Faculty of Mathematics, Natural Sciences and Information Technologies (FAMNIT), University of Primorska, Koper, Slovenia
| | - Aleksandar Cvetkovikj
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, Ss. Cyril and Methodius University in Skopje, Lazar Pop-Trajkov 5-7, 1000 Skopje, Republic of North Macedonia
| | - Jovana Stefanovska
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, Ss. Cyril and Methodius University in Skopje, Lazar Pop-Trajkov 5-7, 1000 Skopje, Republic of North Macedonia
| | - Franjo Martinkovic
- Faculty of Veterinary Medicine, Department of Parasitology and Parasitic Diseases with Clinics, University of Zagreb, Zagreb, Croatia
| | - Geraldine Piorkowski
- Unite des Virus Emergents (Aix-Marseille Univ - IRD 190 - Inserm 1207 - IHU Mediterranee Infection), Marseille, France
| | - Gregory Moureau
- Unite des Virus Emergents (Aix-Marseille Univ - IRD 190 - Inserm 1207 - IHU Mediterranee Infection), Marseille, France
| | - Ernest A Gould
- Unite des Virus Emergents (Aix-Marseille Univ - IRD 190 - Inserm 1207 - IHU Mediterranee Infection), Marseille, France
| | - John H-O Pettersson
- Department of Medical Biochemistry and Microbiology (IMBIM), Zoonosis Science Center, Uppsala University, Uppsala, Sweden.,Marie Bashir Institute for Infectious Diseases and Biosecurity, Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Xavier de Lamballerie
- Unite des Virus Emergents (Aix-Marseille Univ - IRD 190 - Inserm 1207 - IHU Mediterranee Infection), Marseille, France
| | - Remi N Charrel
- Unite des Virus Emergents (Aix-Marseille Univ - IRD 190 - Inserm 1207 - IHU Mediterranee Infection), Marseille, France
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Phumee A, Wacharapluesadee S, Petcharat S, Siriyasatien P. A new cluster of rhabdovirus detected in field-caught sand flies (Diptera: Psychodidae: Phlebotominae) collected from southern Thailand. Parasit Vectors 2021; 14:569. [PMID: 34749797 PMCID: PMC8576998 DOI: 10.1186/s13071-021-05047-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 10/01/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The distribution of phlebotomine sand flies is changing rapidly due to climate change. This issue has implications for the epidemiology of sand fly-borne diseases, especially sand fly-associated viruses. Few studies concerning sand fly-associated viruses have been conducted in Thailand. Therefore, this study aimed to perform a molecular survey of groups of pathogenic RNA viruses belonging to the Orbivirus, Phlebovirus, and Flavivirus genera and family Rhabdoviridae in sand fly samples collected from southern Thailand. METHODS Sand flies were collected at two locations in Trang and Songkhla provinces of southern Thailand, and individual sand fly samples were processed for species identification and virus detection. The Orbivirus, Phlebovirus, and Flavivirus genera and family Rhabdoviridae molecular determination was performed by RT-PCR, and positive samples were identified by cloning and sequencing, cell culture inoculation, and phylogenetic analysis. RESULTS The results presented in this study were based on the analysis of a total of 331 female sand flies. This molecular study revealed evidence of Rhabdoviridae family virus presence in Phlebotomus papatasi (3/331, 0.9%). The findings demonstrated a new cluster of rhabdovirus that was closely related to Bactrocera dorsalis sigmavirus strain BDSV.abc5 and the lineages of insect-specific Rhabdoviridae. In addition, the Bayesian tree suggested that the common ancestor of this group was the dimarhabdovirus clade. It was assumed that the virus may have switched hosts during its evolution. However, the detection of Orbivirus, Phlebovirus, and Flavivirus genera using specific primers for RT-PCR was negative in the collected sand flies. CONCLUSIONS There is limited knowledge on the genetic diversity and ecology of Rhabdoviridae in Thailand. This is the first data regarding the circulation of Rhabdoviridae in Ph. papatasi from Thailand. We found a new cluster of rhabdoviruses that was close to the new B. dorsalis sigmavirus. It is possible that there is a great deal of diversity in this family yet to be discovered, and a more extensive survey for new rhabdoviruses may uncover viruses from a wide diversity of host taxa and broaden our understanding of the relationships among the Rhabdoviridae.
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Affiliation(s)
- Atchara Phumee
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, 80160, Thailand.,Research Excellence Center for Innovation and Health Products, Walailak University, Nakhon Si Thammarat, 80160, Thailand.,Excellent Center for Dengue and Community Public Health (EC for DACH), Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Supaporn Wacharapluesadee
- Thai Red Cross Emerging Infectious Diseases Clinical Centre, King Chulalongkorn Memorial Hospital, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sininat Petcharat
- Thai Red Cross Emerging Infectious Diseases Clinical Centre, King Chulalongkorn Memorial Hospital, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Padet Siriyasatien
- Vector Biology and Vector Borne Disease Research Unit, Department of Parasitology, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand.
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Percivalle E, Cassaniti I, Calzolari M, Lelli D, Baldanti F. Thirteen Years of Phleboviruses Circulation in Lombardy, a Northern Italy Region. Viruses 2021; 13:v13020209. [PMID: 33573092 PMCID: PMC7911539 DOI: 10.3390/v13020209] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/27/2021] [Accepted: 01/27/2021] [Indexed: 01/01/2023] Open
Abstract
Phleboviruses transmitted by phlebotomine sandflies are endemic in the Mediterranean basin. Toscana phlebovirus (TOSV), Sicilian phlebovirus (SFSV), and Naples phlebovirus (SFNV) are responsible of summer fever, with well-known pathogenic potential for humans ranging from asymptomatic to mild fever, in addition to neuro-invasive infections during summer. Although TOSV, in particular, is a significant and well-known human pathogen, SFVs remain neglected, with many gaps in the relevant knowledge. Sero-epidemiological studies and case reports recently showed a geographical wider distribution than previously considered, although the real incidence of phleboviruses infections in the Mediterranean area is still unknown. Here we retrospectively evaluated the circulation of phleboviruses during summer seasons between 2007 and 2019 in 649 patients showing neurological symptoms using both molecular and serological approaches. We found that 42/649 (6.5%) subjects experienced phlebovirus infection and only 10/42 cases were detected by molecular assays, whereas the other 32/42 were identified using serological approaches, including neutralization assays. During the 2013 summer, an outbreak in the Lombardy region is described because the prevalence of phlebovirus infection reached 37.2% (19/51 subjects). Interestingly, only 5/19 (26.5%) reported traveling in endemic areas. Of note, no cross-neutralization was observed between different strains tested, showing the possibility to be reinfected by newly discovered phlebovirus strains. In conclusion, phlebovirus infections are still inadequately considered by physicians and are generally underestimated. However, based on our results, sandfly fever viruses should be routinely included in diagnostic panels during summer period, including in Northern Italy.
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Affiliation(s)
- Elena Percivalle
- Molecular Virology Unit, Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy; (E.P.); (I.C.)
| | - Irene Cassaniti
- Molecular Virology Unit, Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy; (E.P.); (I.C.)
- Department of Clinical Surgical Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy
| | - Mattia Calzolari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna B. Ubertini, 25100 Brescia, Italy; (M.C.); (D.L.)
| | - Davide Lelli
- Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna B. Ubertini, 25100 Brescia, Italy; (M.C.); (D.L.)
| | - Fausto Baldanti
- Molecular Virology Unit, Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy; (E.P.); (I.C.)
- Department of Clinical Surgical Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy
- Correspondence: or
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Minakshi P, Ghosh M, Kumar R, Brar B, Lambe UP, Banerjee S, Ranjan K, Kumar B, Goel P, Malik YS, Prasad G. An Insight into Nanomedicinal Approaches to Combat Viral Zoonoses. Curr Top Med Chem 2021; 20:915-962. [PMID: 32209041 DOI: 10.2174/1568026620666200325114400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 12/31/2019] [Accepted: 12/31/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Emerging viral zoonotic diseases are one of the major obstacles to secure the "One Health" concept under the current scenario. Current prophylactic, diagnostic and therapeutic approaches often associated with certain limitations and thus proved to be insufficient for customizing rapid and efficient combating strategy against the highly transmissible pathogenic infectious agents leading to the disastrous socio-economic outcome. Moreover, most of the viral zoonoses originate from the wildlife and poor knowledge about the global virome database renders it difficult to predict future outbreaks. Thus, alternative management strategy in terms of improved prophylactic vaccines and their delivery systems; rapid and efficient diagnostics and effective targeted therapeutics are the need of the hour. METHODS Structured literature search has been performed with specific keywords in bibliographic databases for the accumulation of information regarding current nanomedicine interventions along with standard books for basic virology inputs. RESULTS Multi-arrayed applications of nanomedicine have proved to be an effective alternative in all the aspects regarding the prevention, diagnosis, and control of zoonotic viral diseases. The current review is focused to outline the applications of nanomaterials as anti-viral vaccines or vaccine/drug delivery systems, diagnostics and directly acting therapeutic agents in combating the important zoonotic viral diseases in the recent scenario along with their potential benefits, challenges and prospects to design successful control strategies. CONCLUSION This review provides significant introspection towards the multi-arrayed applications of nanomedicine to combat several important zoonotic viral diseases.
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Affiliation(s)
- Prasad Minakshi
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125001, Haryana, 125004, India
| | - Mayukh Ghosh
- Department of Veterinary Physiology and Biochemistry, RGSC, Banaras Hindu University, Mirzapur (UP) - 231001, India
| | - Rajesh Kumar
- Department of Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar-125001, Haryana, 125004, India
| | - Basanti Brar
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125001, Haryana, 125004, India
| | - Upendra P Lambe
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125001, Haryana, 125004, India
| | - Somesh Banerjee
- Department of Veterinary Microbiology, Immunology Section, LUVAS, Hisar-125004, India
| | - Koushlesh Ranjan
- Department of Veterinary Physiology and Biochemistry, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, 250110, India
| | | | - Parveen Goel
- Department of Veterinary Medicine, LLR University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Yashpal S Malik
- Division of Standardisation, Indian Veterinary Research Institute Izatnagar - Bareilly (UP) - 243122, India
| | - Gaya Prasad
- Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, UP, 250110, India
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11
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Kassiri H, Dehghani R, Khodkar I, Karami S. A comprehensive overview on sandfly fever. JOURNAL OF ACUTE DISEASE 2021. [DOI: 10.4103/2221-6189.316673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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12
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Circulation of Toscana Virus in a Sample Population of Corsica, France. Viruses 2019; 11:v11090817. [PMID: 31487870 PMCID: PMC6784206 DOI: 10.3390/v11090817] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 08/31/2019] [Accepted: 08/31/2019] [Indexed: 12/27/2022] Open
Abstract
Sandfly-borne phleboviruses pathogenic to humans, such as Toscana virus (TOSV) and Sandfly Fever Sicilian virus (SFSV), are endemic in the Mediterranean region. In France, several autochthonous cases of TOSV infection have been described, causing either meningitis or encephalitis. The aim of the present study was to investigate the seroprevalence of TOSV and SFSV antibodies in a healthy population from Corsica. In this cross-sectional study, participants were enrolled (i) from a medical staff at the University of Corsica and (ii) from general practitioners of the Corsican Sentinelles Network. The seroprevalence study was based on a virus microneutralization assay. A total of 240 sera were tested. Altogether, 54 sera (22.5%) were confirmed positive for TOSV antibodies, whereas none were positive for SFSV (0/240). The residential district of participants was significantly associated with TOSV seropositivity (p value = 0.005). The rate of the seropositivity against TOSV in our study suggests that the Corsican population is well exposed to the TOSV. These results encourage the implementation of a systematic surveillance system including entomological, microbiological, and medical aspects for the collection of better information on the diseases that are associated with phleboviruses in Corsica and beyond in the regions where these viruses are present.
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Detection of a Novel Phlebovirus (Drin Virus) from Sand Flies in Albania. Viruses 2019; 11:v11050469. [PMID: 31126034 PMCID: PMC6563191 DOI: 10.3390/v11050469] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 12/31/2022] Open
Abstract
Phlebotomine sand flies are generalist vectors with significant implications for public health. They are able to transmit phleboviruses that cause sand fly fever, headaches, or meningitis in humans. Albania is a country in Southeast Europe with a typical Mediterranean climate which provides convenient conditions for the presence of sand flies. Hence, the circulation of phleboviruses, such as the Toscana and Balkan viruses, has been recently described in the country. We followed a virus discovery approach on sand fly samples collected in 2015 and 2016 in seven regions of Albania, with the aim to investigate and characterize potentially circulating phleboviruses in phlebotomine sand flies. A presumed novel phlebovirus was detected in a pool consisting of 24 Phlebotomus neglectus males. The virus was provisionally named the Drin virus after a river near the locality of Kukës, where the infected sand flies were trapped. Genetic and phylogenetic analysis revealed that the Drin virus is closely related to the Corfou (CFUV) virus, isolated in the 1980s from Phlebotomus major sand flies on the eponymous island of Greece, and may also be involved in human infections because of its similarity to the sand fly fever Sicilian virus. The latter justifies further studies to specifically address this concern. Together with recent findings, this study confirms that Albania and the Balkan peninsula are hot spots for phleboviruses.
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Abstract
Sand fly–borne phleboviruses are associated with febrile diseases and nervous system infections in the Mediterranean basin. Sandfly fever was first reported in the Balkan Peninsula at the end of the 19th century. Since then, accumulating data show that the Balkan Peninsula, as a transboundary region between Asia and Europe, plays a major role in the emergence of vectorborne diseases in Europe. To provide an inclusive approach, we collected published data on phleboviruses in the Balkan countries and used them to evaluate the impact of these pathogens from virologic, epidemiologic, and public health perspectives. Recent findings show a high diversity of phleboviruses belonging to 3 species or serocomplexes circulating heavily in the Balkans. Focusing on undisputable human pathogens, we found direct and indirect laboratory documentation for Toscana virus, Sandfly fever Sicilian virus, and Adria virus. These data demonstrate that the Balkans are a hotspot for phleboviruses transmitted by sand flies.
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Ayhan N, Baklouti A, Prudhomme J, Walder G, Amaro F, Alten B, Moutailler S, Ergunay K, Charrel RN, Huemer H. Practical Guidelines for Studies on Sandfly-Borne Phleboviruses: Part I: Important Points to Consider Ante Field Work. Vector Borne Zoonotic Dis 2017; 17:73-80. [PMID: 28055576 DOI: 10.1089/vbz.2016.1957] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The purpose of this review is to provide practical information to help researchers intending to perform "from field to laboratory" studies on phleboviruses transmitted by sandflies. This guideline addresses the different steps to be considered starting from the field collection of sandflies to the laboratory techniques aiming at the detection, isolation, and characterization of sandfly-borne phleboviruses. In this guideline article, we address the impact of various types of data for an optimal organization of the field work intending to collect wildlife sandflies for subsequent virology studies. Analysis of different data sets should result in the geographic positioning of the trapping stations. The overall planning, the equipment and tools needed, the manpower to be deployed, and the logistics to be anticipated and set up should be organized according to the objectives of the field study for optimal efficiency.
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Affiliation(s)
- Nazli Ayhan
- 1 UMR "Emergence des Pathologies Virales" (EPV: Aix-Marseille Univ. - IRD 190 - Inserm 1207 - EHESP), Fondation IHU Méditerranée Infection, APHM Public Hospitals of Marseille , Marseille, France
| | - Amal Baklouti
- 1 UMR "Emergence des Pathologies Virales" (EPV: Aix-Marseille Univ. - IRD 190 - Inserm 1207 - EHESP), Fondation IHU Méditerranée Infection, APHM Public Hospitals of Marseille , Marseille, France
| | - Jorian Prudhomme
- 2 Centre IRD, UMR MIVEGEC (IRD 224 - CNRS 5290 - Université Montpellier) , Montpellier, France
| | | | - Fatima Amaro
- 4 Centre for Vectors and Infectious Diseases Research, National Institute of Health Ricardo Jorge , Águas de Moura, Portugal
| | - Bulent Alten
- 5 Ecology Section, ESRL Laboratories, Department of Biology, Faculty of Science, Hacettepe University , Ankara, Turkey
| | - Sara Moutailler
- 6 Animal Health Laboratory , UMR BIPAR, ANSES Maisons-Alfort, Paris, France
| | - Koray Ergunay
- 7 Virology Unit, Department of Medical Microbiology, Faculty of Medicine, Hacettepe University , Ankara, Turkey
| | - Remi N Charrel
- 1 UMR "Emergence des Pathologies Virales" (EPV: Aix-Marseille Univ. - IRD 190 - Inserm 1207 - EHESP), Fondation IHU Méditerranée Infection, APHM Public Hospitals of Marseille , Marseille, France
| | - Hartwig Huemer
- 8 Division of Virology, Departments Hygiene, Microbiology and Social Medicine, Innsbruck Medical University , Innsbruck, Austria
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16
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Pierro A, Ficarelli S, Ayhan N, Morini S, Raumer L, Bartoletti M, Mastroianni A, Prati F, Schivazappa S, Cenni P, Vocale C, Rossini G, Gaibani P, Sambri V, Landini MP, Lewis RE, Charrel RN, Varani S. Characterization of antibody response in neuroinvasive infection caused by Toscana virus. Clin Microbiol Infect 2017; 23:868-873. [PMID: 28344163 DOI: 10.1016/j.cmi.2017.03.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 03/13/2017] [Accepted: 03/16/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVES Among sandfly-borne pathogens, Toscana virus (TOSV) is a prominent cause of summer meningitis in Mediterranean Europe. Here, we assessed the kinetics of anti-TOSV antibodies over time in 41 patients diagnosed with TOSV meningitis or meningoencephalitis in northeastern Italy. METHODS Acute and follow-up serum samples were collected up to 20 months after diagnosis of TOSV infection and tested for the presence of specific antibody using immunoenzymatic and indirect immunofluorescence assays. In addition, maturation of anti-TOSV IgG over time was evaluated as well as production of neutralizing antibodies. RESULTS Specific IgM and IgG response was present at diagnosis in 100% of patients; TOSV-specific IgM and IgG were detected in patients' sera up to 6 and 20 months after diagnosis, respectively. The avidity index (AI) increased over the first month after infection in 100% of patients and most cases exceeded 60% by Day 30 post infection. The AI subsequently plateaued then declined at 20 months after diagnosis. Finally, neutralization assay to TOSV was performed in 217 sera collected from 41 patients; 69.6% of tested samples resulted in reactive and moderate levels of neutralizing antibodies observed during all phases of infection despite high titres of total anti-TOSV IgG. CONCLUSIONS Specific antibody response develops rapidly and is long-lasting for neuroinvasive TOSV infection. Serodiagnosis of neuroinvasive TOSV requires simultaneous detection of specific IgM and IgG. Moderate levels of neutralizing antibodies were maintained over the study period, while the protective role of antibodies lacking neutralizing activity is unclear and requires further evaluation.
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Affiliation(s)
- A Pierro
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy; Unit of Microbiology, The Romagna Hub Laboratory, Pievesestina, Italy.
| | - S Ficarelli
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy
| | - N Ayhan
- UMR "Emergence des Pathologies Virales" (EPV: Aix-Marseille Univ - IRD 190 - Inserm1207 - EHESP) & Fondation IHU Méditerranée Infection, APHM Public Hospitals of Marseille, Marseille, France
| | - S Morini
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy
| | - L Raumer
- Infectious Disease Unit, Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - M Bartoletti
- Infectious Disease Unit, Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - A Mastroianni
- Infectious Disease Unit, G.B. Morgagni-Pierantoni Hospital, Forlì, Italy
| | - F Prati
- Infectious Disease Division, Reggio Emilia Hospital, Reggio Emilia, Italy
| | - S Schivazappa
- Infectious Disease Division, Reggio Emilia Hospital, Reggio Emilia, Italy
| | - P Cenni
- Emergency Department, St. Maria della Scaletta, Imola, Italy
| | - C Vocale
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy
| | - G Rossini
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy
| | - P Gaibani
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy
| | - V Sambri
- Unit of Microbiology, The Romagna Hub Laboratory, Pievesestina, Italy; Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - M P Landini
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy; Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - R E Lewis
- Infectious Disease Unit, Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - R N Charrel
- UMR "Emergence des Pathologies Virales" (EPV: Aix-Marseille Univ - IRD 190 - Inserm1207 - EHESP) & Fondation IHU Méditerranée Infection, APHM Public Hospitals of Marseille, Marseille, France
| | - S Varani
- Unit of Microbiology, CRREM Laboratory, St. Orsola-Malpighi University Hospital, Bologna, Italy; Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
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Shiraly R, Khosravi A, Farahangiz S. Seroprevalence of sandfly fever virus infection in military personnel on the western border of Iran. J Infect Public Health 2017; 10:59-63. [DOI: 10.1016/j.jiph.2016.02.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/22/2016] [Accepted: 02/20/2016] [Indexed: 10/22/2022] Open
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RNA Encapsidation and Packaging in the Phleboviruses. Viruses 2016; 8:v8070194. [PMID: 27428993 PMCID: PMC4974529 DOI: 10.3390/v8070194] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 07/01/2016] [Accepted: 07/07/2016] [Indexed: 11/23/2022] Open
Abstract
The Bunyaviridae represents the largest family of segmented RNA viruses, which infect a staggering diversity of plants, animals, and insects. Within the family Bunyaviridae, the Phlebovirus genus includes several important human and animal pathogens, including Rift Valley fever virus (RVFV), severe fever with thrombocytopenia syndrome virus (SFTSV), Uukuniemi virus (UUKV), and the sandfly fever viruses. The phleboviruses have small tripartite RNA genomes that encode a repertoire of 5–7 proteins. These few proteins accomplish the daunting task of recognizing and specifically packaging a tri-segment complement of viral genomic RNA in the midst of an abundance of host components. The critical nucleation events that eventually lead to virion production begin early on in the host cytoplasm as the first strands of nascent viral RNA (vRNA) are synthesized. The interaction between the vRNA and the viral nucleocapsid (N) protein effectively protects and masks the RNA from the host, and also forms the ribonucleoprotein (RNP) architecture that mediates downstream interactions and drives virion formation. Although the mechanism by which all three genomic counterparts are selectively co-packaged is not completely understood, we are beginning to understand the hierarchy of interactions that begins with N-RNA packaging and culminates in RNP packaging into new virus particles. In this review we focus on recent progress that highlights the molecular basis of RNA genome packaging in the phleboviruses.
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Ly HJ, Ikegami T. Rift Valley fever virus NSs protein functions and the similarity to other bunyavirus NSs proteins. Virol J 2016; 13:118. [PMID: 27368371 PMCID: PMC4930582 DOI: 10.1186/s12985-016-0573-8] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 06/23/2016] [Indexed: 12/31/2022] Open
Abstract
Rift Valley fever is a mosquito-borne zoonotic disease that affects both ruminants and humans. The nonstructural (NS) protein, which is a major virulence factor for Rift Valley fever virus (RVFV), is encoded on the S-segment. Through the cullin 1-Skp1-Fbox E3 ligase complex, the NSs protein promotes the degradation of at least two host proteins, the TFIIH p62 and the PKR proteins. NSs protein bridges the Fbox protein with subsequent substrates, and facilitates the transfer of ubiquitin. The SAP30-YY1 complex also bridges the NSs protein with chromatin DNA, affecting cohesion and segregation of chromatin DNA as well as the activation of interferon-β promoter. The presence of NSs filaments in the nucleus induces DNA damage responses and causes cell-cycle arrest, p53 activation, and apoptosis. Despite the fact that NSs proteins have poor amino acid similarity among bunyaviruses, the strategy utilized to hijack host cells are similar. This review will provide and summarize an update of recent findings pertaining to the biological functions of the NSs protein of RVFV as well as the differences from those of other bunyaviruses.
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Affiliation(s)
- Hoai J Ly
- Department of Pathology, The University of Texas Medical Branch at Galveston, Galveston, TX, USA
| | - Tetsuro Ikegami
- Department of Pathology, The University of Texas Medical Branch at Galveston, Galveston, TX, USA. .,The Sealy Center for Vaccine Development, The University of Texas Medical Branch at Galveston, Galveston, TX, USA. .,The Center for Biodefense and Emerging Infectious Diseases, The University of Texas Medical Branch at Galveston, Galveston, TX, USA.
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Özkale Y, Özkale M, Kiper P, Çetinkaya B, Erol İ. Sadfly fever: two case reports. TURK PEDIATRI ARSIVI 2016; 51:110-113. [PMID: 27489469 PMCID: PMC4959739 DOI: 10.5152/turkpediatriars.2015.1734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 05/15/2014] [Indexed: 06/06/2023]
Abstract
Sandfly fever, also known as 'three-day fever' or 'pappataci fever' or 'Phlebotomus fever' is a viral infection that causes self-limited influenza-like symptoms and characterized by a rapid onset. The disease occurs commonly in endemic areas in summer months and especially in August during which sandflies are active. In this article, two siblings who presented with high fever, redness in the eyes, headache, weakness, malaise and inability to walk, who were found to have increased liver function tests and creatine kinase levels and who were diagnosed with sadfly fever with positive sadfly IgM and IgG antibodies are reported because of the rarity of this disease.
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Affiliation(s)
- Yasemin Özkale
- Department of Pediatrics, Başkent University School of Medicine, Adana, Turkey
| | - Murat Özkale
- Department of Pediatrics, Başkent University School of Medicine, Adana, Turkey
| | - Pinar Kiper
- Department of Pediatrics, Başkent University School of Medicine, Adana, Turkey
| | - Bilin Çetinkaya
- Department of Pediatrics, Başkent University School of Medicine, Neonatology Unit, Adana, Turkey
| | - İlknur Erol
- Department of Pediatrics, Başkent University School of Medicine, Pediatric Neurology Unit, Adana, Turkey
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Makranz C, Qutteineh H, Bin H, Lustig Y, Gomori JM, Honig A, Bayya AER, Moses AE, Ben-Hur T, Averbuch D, Eichel R, Nir-Paz R. Sandfly virus seroconversion associated with neurologic presentation. NEUROLOGY-NEUROIMMUNOLOGY & NEUROINFLAMMATION 2015; 3:e184. [PMID: 26767189 PMCID: PMC4701137 DOI: 10.1212/nxi.0000000000000184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 10/20/2015] [Indexed: 12/05/2022]
Abstract
Objective: To describe the clinical presentation and unique neurologic manifestations of sandfly viruses (SFVs) in the Jerusalem area. Methods: We identified all patients with acute seroconversion to SFV at the Hadassah-Hebrew University Medical Centers during the years 2008–2013 and retrospectively collected and analyzed the clinical and imaging data. Results: Nine patients (ranging from 1.5 to 85 years old) were identified. Presentation included acute neurologic disease, mostly with fever, change in consciousness and behavior, seizures, headache, meningitis, limb paresis, or myelitis. Eight patients had clinical signs of meningitis, meningoencephalitis, or encephalitis alone. Four patients had myelitis. MRI identified pathologic symmetrical changes in the basal ganglia, thalami, and other deep structures in 5 patients, and additional myelitis of the spine was noted on imaging in 3 patients. Seven patients had long-term follow-up: 4 completely recovered and 3 had remaining neurologic sequelae, among them 1 with permanent severe brain damage. Conclusion: Neurologic involvement associated with acute SFV infections is considered to be benign. However, in this series, all 9 patients presented with significant neurologic pathology associated with a unique finding of myelitis and symmetrical basal ganglia, thalami, or white matter involvement. Thus, acute SFV infection should be included in the differential diagnosis in febrile onset of neurologic manifestations and neuroradiologic changes.
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Affiliation(s)
- Chen Makranz
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Hiba Qutteineh
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Hanna Bin
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Yaniv Lustig
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - John Moshe Gomori
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Asaf Honig
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Abed El-Raouf Bayya
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Allon E Moses
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Tamir Ben-Hur
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Diana Averbuch
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Roni Eichel
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
| | - Ran Nir-Paz
- Departments of Neurology (C.M., A.H., T.B.-H., R.E.), Pediatrics (H.Q., D.A.), Radiology (J.M.G.), Medicine (A.E.-R.B.), and Clinical Microbiology and Infectious Diseases (A.E.M., R.N.-P.), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Israel Central Virology Lab (H.B., Y.L.), Ministry of Health, Tel Hashomer, Israel
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Macesic N, Hall V, Mahony A, Hueston L, Ng G, Macdonell R, Hughes A, Fitt G, Grayson ML. Acute Flaccid Paralysis: The New, The Old, and The Preventable. Open Forum Infect Dis 2015; 3:ofv190. [PMID: 26788545 PMCID: PMC4716344 DOI: 10.1093/ofid/ofv190] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2015] [Accepted: 11/30/2015] [Indexed: 12/28/2022] Open
Abstract
Acute flaccid paralysis (AFP) has a changing epidemiology with ongoing polio outbreaks and emerging causes such as nonpolio enteroviruses and West Nile virus (WNV). We report a case of AFP from the Horn of Africa that was initially classified as probable polio but subsequently found to be due to WNV.
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Affiliation(s)
- N Macesic
- Departments of Infectious Diseases; Division of Infectious Diseases, Columbia University Medical Center, New York
| | | | - A Mahony
- Departments of Infectious Diseases
| | - L Hueston
- Arbovirus Emerging Diseases Unit , Centre for Infectious Diseases and Microbiology, Institute of Clinical Pathology and Medical Research, Westmead Hospital , Sydney
| | | | - R Macdonell
- Neurology; Department of Medicine, University of Melbourne, Australia
| | | | - G Fitt
- Radiology, Austin Health, Melbourne , Australia
| | - M L Grayson
- Departments of Infectious Diseases; Department of Medicine, University of Melbourne, Australia
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Ergunay K, Kasap OE, Orsten S, Oter K, Gunay F, Yoldar AZA, Dincer E, Alten B, Ozkul A. Phlebovirus and Leishmania detection in sandflies from eastern Thrace and northern Cyprus. Parasit Vectors 2014; 7:575. [PMID: 25499083 PMCID: PMC4269954 DOI: 10.1186/s13071-014-0575-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 11/26/2014] [Indexed: 01/01/2023] Open
Abstract
Background Phlebotomine sandflies are vectors of several pathogens with significant impact for public health. This study was conducted to investigate and characterize phlebovirus and Leishmania infections in vector sandflies collected in the eastern Thrace region in Turkey and Northern Cyprus, where previous data indicate activity of these agents. Methods Field sampling of sandflies was performed at 4 locations in Edirne and Tekirdag provinces of eastern Thrace and at 17 locations in Lefkosa, Girne, Magosa and Guzelyurt provinces of northern Cyprus. In sandfly pools, phlebovirus RNA and Leishmania DNA were screened via a generic polymerase chain reaction (PCR) and kinetoplast minicircle PCR, respectively. Selected sandfly specimens unsuitable for pathogen detection were identified to species level. Cytochrome oxidase 1 gene region was used for DNA barcoding of selected specimens and pathogen positive pools. Positive amplicons were cloned and characterized by sequencing. Results A total of 2690 sandflies, collected from Eastern Thrace (15.4%) and Northern Cyprus (84.6%) were evaluated. Morphological examination of 780 specimens from Cyprus exhibited Phlebotomus perfiliewi sensu lato (72.6%), Phlebotomus tobbi (19.7%), Phlebotomus papatasi (2.8%), Laroussius sp. (1.6%) and Sergentomyia azizi (1.6%), Sergentomyia sp. (0.9%), Sergentomyia minuta (0.5%) and Phleobotomus jacusieli (0.1%) species. Pathogen screening was performed in 1910 specimens distributed in 195 pools. In eight pools of P.tobbi sandflies collected in Cyprus, Leishmania infantum DNA was demonstrated. Toscana virus (TOSV) genotype A sequences were identified in two pools of P. perfiliewi s.l. and one pool of P.tobbi sandflies from Cyprus. Co-infection of TOSV and Leishmania infantum was characterized in a P.tobbi pool. Sequences belonging to novel phleboviruses are revealed in three P. perfiliewi s.l. pools. One sequence, provisionally named Edirne virus, identified in Edirne province in eastern Thrace, demonstrated the highest rate of genomic similarity to Adria and Salehabad viruses. Furthermore, Girne 1 and Girne 2 viruses, identified in Girne province, revealed similarities to TOSV and Sandfly Fever Sicilian virus and related strains, respectively. Conclusions Activity of TOSV genotype A strains in Cyprus and co-infection of sandfly vectors with L. infantum was documented for the first time. Novel phlebovirus strains of unknown medical significance was identified in sampling regions.
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Affiliation(s)
- Koray Ergunay
- Faculty of Medicine, Department of Medical Microbiology, Virology Unit, Hacettepe University, Morphology Building 3rd Floor, 06100, Sihhiye, Ankara, Turkey.
| | - Ozge Erisoz Kasap
- Faculty of Sciences, Department of Biology, Division of Ecology, Hacettepe University, Ankara, Turkey.
| | - Serra Orsten
- Faculty of Medicine, Department of Medical Microbiology, Virology Unit, Hacettepe University, Morphology Building 3rd Floor, 06100, Sihhiye, Ankara, Turkey.
| | - Kerem Oter
- Faculty of Veterinary Medicine, Department of Parasitology, Istanbul University, Istanbul, Turkey.
| | - Filiz Gunay
- Faculty of Sciences, Department of Biology, Division of Ecology, Hacettepe University, Ankara, Turkey.
| | | | - Ender Dincer
- Advanced Technology Education, Research and Application Center, Mersin University, Mersin, Turkey.
| | - Bulent Alten
- Faculty of Sciences, Department of Biology, Division of Ecology, Hacettepe University, Ankara, Turkey.
| | - Aykut Ozkul
- Faculty of Veterinary Medicine, Department of Virology, Ankara University, Ankara, Turkey.
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24
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Toscana virus meningitis case in Switzerland: an example of the ezVIR bioinformatics pipeline utility for the identification of emerging viruses. Clin Microbiol Infect 2014; 21:387.e1-4. [PMID: 25658528 DOI: 10.1016/j.cmi.2014.11.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Revised: 09/18/2014] [Accepted: 11/05/2014] [Indexed: 02/06/2023]
Abstract
Toscana virus (TOSV) represents a frequent cause of viral meningitis in the Mediterranean Basin that remains neglected in neighbouring countries. We report a documented TOSV meningitis case in a traveller returning from Tuscany to Switzerland. While routine serological and PCR assays could not discriminate between TOSV and Sandfly fever Naples virus infection, a high-throughput sequencing performed directly on the cerebrospinal fluid specimen and analysed with the ezVIR pipeline provided an unequivocal viral diagnostic. TOSV could be unequivocally considered as the aetiological agent, proving the potential of ezVIR to improve standard diagnostics in cases of infection with uncommon or emerging viruses.
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25
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Fezaa O, M'ghirbi Y, Savellini GG, Ammari L, Hogga N, Triki H, Cusi MG, Bouattour A. Serological and molecular detection of Toscana and other Phleboviruses in patients and sandflies in Tunisia. BMC Infect Dis 2014; 14:598. [PMID: 25398483 PMCID: PMC4236749 DOI: 10.1186/s12879-014-0598-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 10/29/2014] [Indexed: 11/10/2022] Open
Abstract
Background Our aim is to detect the infection by Toscana virus (TOSV) and other Phleboviruses in the sera and cerebro-spinal fluid (CSF) of patients with meningitis in Tunisia. We examined various species of phlebotomus present in Tunisia to determine whether or not a direct relationship exists between cases of meningitis and the viruses circulating in the insect vectors. Methods Patients with the meningeal syndrome were tested for anti-TOSV IgM and IgG using an indirect Enzyme-Linked Immunosorbent Assay (ELISA) and for the presence of TOSV and other Phleboviruses using a RT-PCR test. An entomological study was carried out using CDC light traps to trap sandflies in different bioclimatic zones of Tunisia. Collected sandflies were tested by RT-PCR for the presence of TOSV and other Phleboviruses and subsequently by viral isolation on Vero cells. Results Of 263 patients were tested using ELISA of which 12.16% (n = 32/263) were IgM positive for anti TOSV. Of these 32 patients, 78% (n = 25/32) were IgG positive. 12.86% (n = 18/140) of the CSF samples tested by RT-PCR were positive for the Toscana virus. One CSF sample tested by RT-PCR revealed the presence of Sandfly Fever Sicilian Virus (SFSV). The Punique virus was identified in one sandfly pool. Conclusions This study confirms, for the first time, that TOSV is involved in a neurological disorder in North Africa. The incidence of this involvement in Tunisia conforms with observations made in other Mediterranean countries. Moreover, for the first time, a molecular approach was used to detect SFSV in a Tunisian patient displaying neurological symptoms. Electronic supplementary material The online version of this article (doi:10.1186/s12879-014-0598-9) contains supplementary material, which is available to authorized users.
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26
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Woyessa AB, Omballa V, Wang D, Lambert A, Waiboci L, Ayele W, Ahmed A, Abera NA, Cao S, Ochieng M, Montgomery JM, Jima D, Fields B. An outbreak of acute febrile illness caused by Sandfly Fever Sicilian Virus in the Afar region of Ethiopia, 2011. Am J Trop Med Hyg 2014; 91:1250-3. [PMID: 25266349 DOI: 10.4269/ajtmh.14-0299] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
In malaria-endemic regions, many medical facilities have limited capacity to diagnose non-malarial etiologies of acute febrile illness (AFI). As a result, the etiology of AFI is seldom determined, although AFI remains a major cause of morbidity in developing countries. An outbreak of AFI was reported in the Afar region of Ethiopia in August of 2011. Retrospectively, 12,816 suspected AFI cases were identified by review of medical records. Symptoms were mild and self-limiting within 3 days after the date of onset; no fatalities were identified. All initial test results of AFI patient specimens were negative for selected pathogens using standard microbiological and molecular techniques. High-throughput sequencing of nucleic acid extracts of serum specimens from 29 AFI cases identified 17 (59%) of 29 samples as positive for Sandfly Fever Sicilian Virus (SFSV). These results were further confirmed by specific reverse transcription polymerase chain reaction. This is the first study implicating SFSV as an etiological agent for AFI in Ethiopia.
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Affiliation(s)
- Abyot Bekele Woyessa
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Victor Omballa
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - David Wang
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Amy Lambert
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Lilian Waiboci
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Workenesh Ayele
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Abdi Ahmed
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Negga Asamene Abera
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Song Cao
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Melvin Ochieng
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Joel M Montgomery
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daddi Jima
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Barry Fields
- Ethiopian Health and Nutrition Research Institute, Addis Ababa, Ethiopia; Global Disease Detection Program, Centers for Disease Control and Prevention-Kenya, Nairobi, Kenya; Departments of Molecular Microbiology and Pathology and Immunology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; Division of Vector-Borne Disease, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado; Global Disease Detection Branch, Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
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Sakhria S, Bichaud L, Mensi M, Salez N, Dachraoui K, Thirion L, Cherni S, Chelbi I, De Lamballerie X, Zhioua E, Charrel RN. Co-circulation of Toscana virus and Punique virus in northern Tunisia: a microneutralisation-based seroprevalence study. PLoS Negl Trop Dis 2013; 7:e2429. [PMID: 24069484 PMCID: PMC3772032 DOI: 10.1371/journal.pntd.0002429] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Accepted: 08/02/2013] [Indexed: 02/07/2023] Open
Abstract
Background In northern Tunisia, the co-circulation of two related sand fly-borne phleboviruses, Toscana virus (TOSV) and Punique virus (PUNV) was previously demonstrated. In contrast to TOSV, a prominent human pathogen, there is no data supporting that PUNV is capable to infect and cause disease to humans. We studied the respective involvement of TOSV and PUNV in human infections in northern Tunisia through a seroprevalence study. Methods The presence of TOSV and PUNV neutralising antibodies (NT-Ab) was tested in human sera collected from 5 districts of the governorate of Bizerte, and the titres of NT-Ab were estimated by microneutralisation (MN) assay. Principal Findings A total of 1,273 sera were processed. TOSV and PUNV NT-Ab were detected in 522 (41%) and 111 sera (8.72%) respectively. TOSV seroprevalence varied from 17.2% to 59.4% depending on the district. Analysis of TOSV geometric mean titre values demonstrated a constant increase according to the age. The vast majority of sera containing NT-Ab were found to be more reactive toward TOSV than PUNV. Indeed, past infections with PUNV and TOSV were undisputable for 5 and 414 sera, respectively. Conclusions PUNV may be capable to infect humans but at a low rate. TOSV is responsible for the vast majority of human infections by sand fly-borne phleboviruses in northern Tunisia. TOSV must be considered by physician and tested in diagnostic laboratories for patients with meningitis and unexplained fever in northern Tunisia. In northern Tunisia, two different pheboviruses are known to circulate in sand fly population, Toscana virus (TOSV) and Punique virus (PUNV). In contrast to TOSV, a prominent human pathogen, there is no data supporting that PUNV is capable to infect humans and to cause a disease. We studied the respective involvement of TOSV and PUNV in human infections in northern Tunisia through a seroprevalence study. Because TOSV and PUNV are antigenically and genetically closely related, it is difficult to distinguish between them by using broadly reactive serological tests, such as enzyme-linked immunosorbent assay (ELISA). Thus, we developed a method of microneutralisation assay using the two viruses in a comparative manner. A total of 1,273 sera were processed. We provide first evidence to support (i) that Punique virus may be capable to infect humans but at a low rate, (ii) that TOSV, the most prevalent arbovirus in Southern Europe, is responsible for the vast majority of human infections by sand fly-borne phleboviruses in northern Tunisia. Therefore, it is important to consider TOSV as an important pathogen that needs to be included in all virological diagnostic concerning patients with meningitis and unexplained febrile illness originated from Northern Tunisia.
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Affiliation(s)
| | - Laurence Bichaud
- Aix Marseille Univ, IRD French Institute of Research for Development, EHESP French School of Public Health, UMR_D 190 “Emergence des Pathologies Virales”, Marseille, France
- IHU Mediterranee Infection, APHM Public Hospitals of Marseille, Marseille, France
| | - Mohamed Mensi
- Regional Health Department, Governorate of Bizerte, Bizerte, Tunisia
| | - Nicolas Salez
- Aix Marseille Univ, IRD French Institute of Research for Development, EHESP French School of Public Health, UMR_D 190 “Emergence des Pathologies Virales”, Marseille, France
| | | | - Laurence Thirion
- Aix Marseille Univ, IRD French Institute of Research for Development, EHESP French School of Public Health, UMR_D 190 “Emergence des Pathologies Virales”, Marseille, France
| | | | | | - Xavier De Lamballerie
- Aix Marseille Univ, IRD French Institute of Research for Development, EHESP French School of Public Health, UMR_D 190 “Emergence des Pathologies Virales”, Marseille, France
- IHU Mediterranee Infection, APHM Public Hospitals of Marseille, Marseille, France
| | | | - Rémi N. Charrel
- Aix Marseille Univ, IRD French Institute of Research for Development, EHESP French School of Public Health, UMR_D 190 “Emergence des Pathologies Virales”, Marseille, France
- IHU Mediterranee Infection, APHM Public Hospitals of Marseille, Marseille, France
- * E-mail:
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Erdem H, Ergunay K, Yilmaz A, Naz H, Akata F, Inan AS, Ulcay A, Gunay F, Ozkul A, Alten B, Turhan V, Oncul O, Gorenek L. Emergence and co-infections of West Nile virus and Toscana virus in Eastern Thrace, Turkey. Clin Microbiol Infect 2013; 20:319-25. [PMID: 23910388 DOI: 10.1111/1469-0691.12310] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 05/07/2013] [Accepted: 06/19/2013] [Indexed: 01/18/2023]
Abstract
The objective of this study was to identify the impact of West Nile virus (WNV) and Toscana virus (TOSV) in febrile diseases of unknown aetiology in Eastern Thrace, Turkey; this study was conducted during August-October 2012, and included 18 clinical cases and 296 blood donors for local serosurveillance. Antibodies were determined via commercial assays and further tested for specificity via neutralization assays (NA). Viral RNAs were sought via specific and/or generic primers. WNV infections were diagnosed in seven patients (38.8%), detected via RNA+IgM in four, RNA in one and IgM and low avidity IgG in two cases. The most common symptom was fever (>38°C), followed by headache, malaise/fatigue, myalgia/arthralgia, muscle stiffness/lower back pain, anorexia, nausea/vomiting, diarrhoea, supraorbital/retrobulbar pain and abdominal pain. Neurological symptoms were noted in one individual. WNV strains in RNA-detectable patients were characterized as lineage 1. TOSV RNA or IgM were identified in two individuals with confirmed WNV infections and in one patient without evidence of WNV exposure. The clinical and laboratory findings in individuals with WNV/TOSV co-infection were comparable to those in WNV-induced disease. The TOSV strain in the patient with detectable viral RNA was characterized as genotype A. In local blood donors, seroreactivity for specific WNV and TOSV immunoglobulins was observed in 1.7% (5/296) and 14.4% (26/180), respectively. These findings indicate the emergence of WNV and TOSV-associated diseases in Eastern Thrace. WNV/TOSV co-infections were documented for the first time.
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Affiliation(s)
- H Erdem
- Department of Infectious Diseases and Clinical Microbiology, Gulhane Military Medical Academy, Haydarpasa Training and Research Hospital, Istanbul, Turkey
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Navarro-Marí JM, Gómez-Camarasa C, Pérez-Ruiz M, Sanbonmatsu-Gámez S, Pedrosa-Corral I, Jiménez-Valera M. Clinic-epidemiologic study of human infection by Granada virus, a new phlebovirus within the sandfly fever Naples serocomplex. Am J Trop Med Hyg 2013; 88:1003-6. [PMID: 23419365 DOI: 10.4269/ajtmh.12-0732] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Granada virus (GRV), a new phlebovirus within the Naples serocomplex, has been recently described in phlebotomine sandflies from Spain. The presence of anti-GRV immunoglobulin G (IgG) antibodies was investigated by indirect fluorescence assay (IFA) and neutralization test (NT) in 920 serum samples from the Granada population. By IFA, an overall GRV seroprevalence of 15.8% (N = 145) was observed, significantly increasing up to 65 years. NT was positive in 18% of anti-GRV IFA-positive samples. IgG antibodies against Toscana virus (TOSV), a hyperendemic phlebovirus within Granada province, were detected in 40% of anti-GRV-positive cases. Anti-GRV IgM antibodies were detected in 36 (6.6%) of 547 acute-phase serum samples from individuals with febrile illness, exanthema, and/or acute respiratory infection. All positives were anti-TOSV IgM-negative. GRV may infect humans, with most cases being asymptomatic. The codetection of anti-GRV and anti-TOSV IgG antibodies could be attributable to cross-reactivity or exposure to the same transmission vector.
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Gressner AM, Arndt T. S. LEXIKON DER MEDIZINISCHEN LABORATORIUMSDIAGNOSTIK 2013. [PMCID: PMC7123623 DOI: 10.1007/978-3-642-12921-6_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Lieshout-Krikke RW, Zaaijer HL, Prinsze FJ. The yield of temporary exclusion of blood donors, exposed to emerging infections abroad. Vox Sang 2013; 104:12-8. [PMID: 22775433 DOI: 10.1111/j.1423-0410.2012.01631.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES Emerging infections abroad pose a threat to the safety of blood, donated by travelling blood donors. In this study, the yield of donor deferral after travelling was evaluated, by comparing the estimated numbers of infected donors returning from various affected areas. METHODS A deterministic model was applied to calculate the number of infected donors, returning from six areas affected by outbreaks: Greece - Macedonia (West Nile fever), Italy - Emilia Romagna (West Nile fever), Thailand (chikungunya), Latvia (hepatitis A), central Turkey (Sicilian sandfly fever) and Italy - Tuscany (Toscana sandfly fever). RESULTS The estimated number of infections among returning blood donors was surprisingly low, ranging from 0·32 West Nile virus-infected donors per year returning from Macedonia (Greece) to approximately 0·005 infected donors per year returning respectively from Tuscany (sandfly fever), Latvia (hepatitis A) and central Turkey (sandfly fever). CONCLUSION The yield of the temporary exclusion of blood donors travelling to a specific, affected area is low, but the continuous monitoring of emerging infections and the timely assessment of new threats are laborious and imperfect. Safety measures may be instituted after the greatest threat of a new outbreak has passed. A general deferral of travelling donors may be more appropriate than targeted measures. It can be argued that all donors who stayed outside their country or continent of residency should be deferred for 4 weeks.
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Affiliation(s)
- R W Lieshout-Krikke
- Sanquin Blood Supply Foundation, Department of Blood-borne infections, Amsterdam, The Netherlands
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Ergunay K, Sayiner AA, Litzba N, Lederer S, Charrel R, Kreher P, Us D, Niedrig M, Ozkul A, Hascelik G. Multicentre evaluation of central nervous system infections due to Flavi and Phleboviruses in Turkey. J Infect 2012; 65:343-9. [DOI: 10.1016/j.jinf.2012.05.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 03/29/2012] [Accepted: 05/09/2012] [Indexed: 12/30/2022]
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Punda-Polić V, Mohar B, Duh D, Bradarić N, Korva M, Fajs L, Saksida A, Avšič-Županc T. Evidence of an autochthonous Toscana virus strain in Croatia. J Clin Virol 2012; 55:4-7. [DOI: 10.1016/j.jcv.2012.06.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Revised: 05/21/2012] [Accepted: 06/08/2012] [Indexed: 10/28/2022]
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Ergunay K, Erisoz Kasap O, Kocak Tufan Z, Turan MH, Ozkul A, Alten B. Molecular Evidence Indicates ThatPhlebotomus major sensu lato(Diptera: Psychodidae) Is the Vector Species of the Recently-Identified Sandfly Fever Sicilian Virus Variant: Sandfly Fever Turkey Virus. Vector Borne Zoonotic Dis 2012; 12:690-8. [DOI: 10.1089/vbz.2011.0927] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Koray Ergunay
- Department of Medical Microbiology, Faculty of Medicine, Virology Unit, Hacettepe University, Ankara, Turkey
| | - Ozge Erisoz Kasap
- Department of Biology, Division of Ecology, Faculty of Sciences, Hacettepe University, Ankara, Turkey
| | - Zeliha Kocak Tufan
- Department of Infectious Diseases and Clinical Microbiology, MOH Ankara Training and Research Hospital, Ankara, Turkey
| | - Mahur H. Turan
- Department of Virology, Ankara University Faculty of Veterinary Medicine, Ankara, Turkey
| | - Aykut Ozkul
- Department of Virology, Ankara University Faculty of Veterinary Medicine, Ankara, Turkey
| | - Bulent Alten
- Department of Biology, Division of Ecology, Faculty of Sciences, Hacettepe University, Ankara, Turkey
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Come fly with me: review of clinically important arboviruses for global travelers. J Clin Virol 2012; 55:191-203. [PMID: 22840968 DOI: 10.1016/j.jcv.2012.07.004] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Revised: 07/05/2012] [Accepted: 07/06/2012] [Indexed: 12/30/2022]
Abstract
Western tourists are increasingly traveling to exotic locations often located in tropical or subtropical regions of the world. The magnitude of international travel and the constantly changing dynamics of arbovirus diseases across the globe demand up-to-date information about arbovirus threats to travelers and the countries they visit. In this review, the current knowledge on arbovirus threats to global travelers is summarized and prioritized per region. Based on most common clinical syndromes, currently known arboviruses can be grouped to develop diagnostic algorithms to support decision-making in diagnostics. This review systematically combines and structures the current knowledge on medically important travel-related arboviruses and illustrates the necessity of a detailed patient history (travel history, symptoms experienced, vaccination history, engaged activities, tick or mosquito bite and use of repellent and onset of symptoms), to guide the diagnosis.
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Vocale C, Bartoletti M, Rossini G, Macini P, Pascucci MG, Mori F, Tampieri A, Lenzi T, Pavoni M, Giorgi C, Gaibani P, Cavrini F, Pierro AM, Landini MP, Viale P, Sambri V. Toscana Virus Infections in Northern Italy: Laboratory and Clinical Evaluation. Vector Borne Zoonotic Dis 2012; 12:526-9. [DOI: 10.1089/vbz.2011.0781] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Caterina Vocale
- Department of Haematology and Oncology “L. and A. Seragnoli,” Section of Microbiology, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | - Michele Bartoletti
- Department of Internal Medicine, Geriatrics and Nephrology, Section of Infectious Disease, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | - Giada Rossini
- Department of Haematology and Oncology “L. and A. Seragnoli,” Section of Microbiology, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | | | | | - Fernanda Mori
- Unit of Infectious Diseases, Ospedale degli Infermi, Rimini, Italy
| | - Andrea Tampieri
- Emergency Department, Ospedale Civile S M della Scaletta, Imola, Italy
| | - Tiziano Lenzi
- Emergency Department, Ospedale Civile S M della Scaletta, Imola, Italy
| | | | - Claudia Giorgi
- Unit of Neurologic Disease, Ospedale di Fidenza–S. Secondo, Italy
| | - Paolo Gaibani
- Department of Haematology and Oncology “L. and A. Seragnoli,” Section of Microbiology, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | - Francesca Cavrini
- Department of Haematology and Oncology “L. and A. Seragnoli,” Section of Microbiology, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | - Anna Maria Pierro
- Department of Haematology and Oncology “L. and A. Seragnoli,” Section of Microbiology, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | - Maria Paola Landini
- Department of Haematology and Oncology “L. and A. Seragnoli,” Section of Microbiology, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | - Pierluigi Viale
- Department of Internal Medicine, Geriatrics and Nephrology, Section of Infectious Disease, St. Orsola University Hospital, University of Bologna, Bologna, Italy
| | - Vittorio Sambri
- Department of Haematology and Oncology “L. and A. Seragnoli,” Section of Microbiology, St. Orsola University Hospital, University of Bologna, Bologna, Italy
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Punda-Polić V, Jerončić A, Mohar B, Kraljevićc KŠ. Prevalence of Toscana virus antibodies in residents of Croatia. Clin Microbiol Infect 2012; 18:E200-3. [DOI: 10.1111/j.1469-0691.2012.03840.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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A case of central nervous system infection due to a novel Sandfly Fever Virus (SFV) variant: Sandfly Fever Turkey Virus (SFTV). J Clin Virol 2012; 54:79-82. [DOI: 10.1016/j.jcv.2012.01.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2011] [Revised: 01/12/2012] [Accepted: 01/23/2012] [Indexed: 11/24/2022]
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Guler S, Guler E, Caglayik DY, Kokoglu OF, Ucmak H, Bayrakdar F, Uyar Y. A sandfly fever virus outbreak in the East Mediterranean region of Turkey. Int J Infect Dis 2012; 16:e244-6. [DOI: 10.1016/j.ijid.2011.12.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2011] [Revised: 11/28/2011] [Accepted: 12/02/2011] [Indexed: 11/26/2022] Open
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Kocak Tufan Z, Weidmann M, Bulut C, Kinikli S, Hufert FT, Dobler G, Demiroz AP. Clinical and laboratory findings of a sandfly fever Turkey Virus outbreak in Ankara. J Infect 2011; 63:375-81. [DOI: 10.1016/j.jinf.2011.07.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2011] [Revised: 06/22/2011] [Accepted: 07/25/2011] [Indexed: 11/25/2022]
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Bichaud L, Souris M, Mary C, Ninove L, Thirion L, Piarroux RP, Piarroux R, De Lamballerie X, Charrel RN. Epidemiologic relationship between Toscana virus infection and Leishmania infantum due to common exposure to Phlebotomus perniciosus sandfly vector. PLoS Negl Trop Dis 2011; 5:e1328. [PMID: 21949894 PMCID: PMC3176742 DOI: 10.1371/journal.pntd.0001328] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2011] [Accepted: 08/07/2011] [Indexed: 12/27/2022] Open
Abstract
Sand flies are recognised vectors of parasites in the genus Leishmania and a number of arthropod-borne viruses, in particular viruses within the genus Phlebovirus, family Bunyaviridae. In southern France, Toscana phlebovirus (TOSV) is recognized as a prominent cause of summer meningitis. Since Leishmania and TOSV have a common vector (Phlebotomus perniciosus), an epidemiologic link has been assumed for a long time. However, there is no scientific evidence of such a link between human leishmaniosis and phleboviral infections. To identify a possible link, we investigated the presence and distribution of antibodies against these two microorganisms (i) in individuals and (ii) at a spatial level in the city of Marseille (south-eastern France). Five hundred sera were selected randomly in the biobank of the Department of Parasitology of the Public Hospitals of Marseille. All sera were previously tested for IgG against Leishmania by Western Blotting, and TOSV IgG were detected by indirect immunofluorescence. The seropositivity rates were 21.4% for TOSV and 28% for Leishmania. Statistical analysis demonstrated that seropositivity for one pathogen was significantly associated with seropositivity to the other pathogen. This result provided the first robust evidence for the existence of an epidemiological relationship between Leishmania infantum and TOSV. Addresses of tested patients were geolocalized and integrated into Geographical Information System software, in order to test spatial relationship between the two pathogens. Spatial analysis did not allow to identify (i) specific patterns for the spatial distribution of positive serological results for TOSV or Leishmania, and (ii) a spatial relationship between Leishmania and TOSV positive serological results. This may reflect the fact that the sample studied was not powerful enough to demonstrate either a spatial clustering or co-location, i.e. that the actual risk exposure area is smaller than the mean of distance between patients in our study (245 m). Sand flies are tiny insects widely distributed in peri-Mediterranean countries where they can transmit Leishmania parasite and Toscana virus (TOSV). Since those microorganisms have a common vector, an epidemiologic link has been assumed for a long time. However, there is no scientific evidence of such a link between human leishmaniosis and phleboviral infections. To identify a possible link, we investigated the presence and distribution of antibodies to both Leishmania and TOSV in 500 sera of individuals living in Marseille, France. Antibodies are markers of past infections and reflect the exposition of population to pathogens. Statistical analysis demonstrated that seropositivity to one of these pathogens was significantly associated with seropositivity to the other pathogen. This result provided first robust evidence for an epidemiological relationship between Leishmania infantum and TOSV. Home addresses of tested patients were geolocalized in order to test spatial relationship between the two pathogens. This spatial analysis did not allow identifying either a spatial clustering or co-location, most probably because the sample was not powerful enough. Risk-factors of infection by TOSV (or Leishmania) would be investigated in seropositive patients' neighbourhood, in a range inferior to the mean of distance between patients in our study (245 meters).
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Affiliation(s)
- Laurence Bichaud
- UMR 190, IRD-Université de la Méditerranée Aix-Marseille 2, Marseille, France
| | - Marc Souris
- UMR 190, IRD-Université de la Méditerranée Aix-Marseille 2, Marseille, France
| | - Charles Mary
- Laboratoire de Parasitologie-Mycologie, AP-HM Timone, Marseille, France
| | - Laëtitia Ninove
- UMR 190, IRD-Université de la Méditerranée Aix-Marseille 2, Marseille, France
| | - Laurence Thirion
- UMR 190, IRD-Université de la Méditerranée Aix-Marseille 2, Marseille, France
| | - Raphaël P. Piarroux
- UMR 190, IRD-Université de la Méditerranée Aix-Marseille 2, Marseille, France
| | - Renaud Piarroux
- Laboratoire de Parasitologie-Mycologie, AP-HM Timone, Marseille, France
| | | | - Rémi N. Charrel
- UMR 190, IRD-Université de la Méditerranée Aix-Marseille 2, Marseille, France
- * E-mail:
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Ergunay K, Aydogan S, Ilhami Ozcebe O, Cilek EE, Hacioglu S, Karakaya J, Ozkul A, Us D. Toscana virus (TOSV) exposure is confirmed in blood donors from Central, North and South/Southeast Anatolia, Turkey. Zoonoses Public Health 2011; 59:148-54. [PMID: 21914151 DOI: 10.1111/j.1863-2378.2011.01436.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Toscana virus (TOSV), a sandfly fever virus serotype of medical and public health importance, is a major pathogen involved in aseptic meningtis occurring in Mediterranean countries and poses a threat to the residents as well as travellers. Limited data on TOSV activity are present from Turkey despite being located in the endemic zone. We aimed to identify TOSV exposure in 1115 healthy blood donors at the Hacettepe University Hospital Blood Bank in Ankara, Turkey, using commercial indirect fluorescence assays (IFAs) and virus neutralization test (VNT) for antibody detection and specificity confirmation. A total of 199 samples (17.8%) were positive for anti-TOSV that include IgG reactivity in 10.4%, IgM reactivity in 8.2% and IgM + IgG reactivity in 0.7% of the sera. Anti-TOSV specificity could be confirmed via VNT in 56% of the IgG- and 43.6% of the IgM-positive sera, making up a total of 58 samples (5.2%). Risk factors associated with TOSV IgG reactivity were male gender, residing in rural areas, frequent sighting of mosquitoes/sandflies and working outdoors. TOSV-specific antibody prevalence increased significantly with age. Evidence of exposure to other sandfly fever viruses was noted. These data reveal that mild or asymptomatic infections with TOSV are frequent in central and northern Anatolia. TOSV exposure has also been identified in residents of 9 provinces in southern/southeastern Anatolia for the first time.
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Affiliation(s)
- K Ergunay
- Department of Medical Microbiology, Virology Unit, Hacettepe University, Faculty of Medicine, Sihhiye, Ankara, Turkey.
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Bichaud L, Piarroux R, Izri A, Ninove L, Mary C, De Lamballerie X, Charrel R. Low seroprevalence of sandfly fever Sicilian virus antibodies in humans, Marseille, France. Clin Microbiol Infect 2011; 17:1189-90. [DOI: 10.1111/j.1469-0691.2011.03509.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hollidge BS, Weiss SR, Soldan SS. The role of interferon antagonist, non-structural proteins in the pathogenesis and emergence of arboviruses. Viruses 2011; 3:629-58. [PMID: 21994750 PMCID: PMC3185780 DOI: 10.3390/v3060629] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Revised: 05/04/2011] [Accepted: 05/07/2011] [Indexed: 12/24/2022] Open
Abstract
A myriad of factors favor the emergence and re-emergence of arthropod-borne viruses (arboviruses), including migration, climate change, intensified livestock production, an increasing volume of international trade and transportation, and changes to ecosystems (e.g., deforestation and loss of biodiversity). Consequently, arboviruses are distributed worldwide and represent over 30% of all emerging infectious diseases identified in the past decade. Although some arboviral infections go undetected or are associated with mild, flu-like symptoms, many are important human and veterinary pathogens causing serious illnesses such as arthritis, gastroenteritis, encephalitis and hemorrhagic fever and devastating economic loss as a consequence of lost productivity and high mortality rates among livestock. One of the most consistent molecular features of emerging arboviruses, in addition to their near exclusive use of RNA genomes, is the inclusion of viral, non-structural proteins that act as interferon antagonists. In this review, we describe these interferon antagonists and common strategies that arboviruses use to counter the host innate immune response. In addition, we discuss the complex interplay between host factors and viral determinants that are associated with virus emergence and re-emergence, and identify potential targets for vaccine and anti-viral therapies.
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Affiliation(s)
- Bradley S. Hollidge
- Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA; E-Mail:
- Neuroscience Graduate Group, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
| | - Susan R. Weiss
- Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA; E-Mail:
| | - Samantha S. Soldan
- Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +1-215-898-3502; Fax: +1-215-573-2029
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Ergunay K, Whitehouse CA, Ozkul A. Current Status of Human Arboviral Diseases in Turkey. Vector Borne Zoonotic Dis 2011; 11:731-41. [DOI: 10.1089/vbz.2010.0162] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Affiliation(s)
- Koray Ergunay
- Virology Unit, Department of Medical Microbiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Chris A. Whitehouse
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Maryland
| | - Aykut Ozkul
- Department of Virology, Ankara University Faculty of Veterinary Medicine, Ankara, Turkey
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Ergünay K, Litzba N, Lo MM, Aydoğan S, Saygan MB, Us D, Weidmann M, Niedrig M. Performance of various commercial assays for the detection of Toscana virus antibodies. Vector Borne Zoonotic Dis 2011; 11:781-7. [PMID: 21395410 DOI: 10.1089/vbz.2010.0224] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
INTRODUCTION Sandfly fever virus (SFV) serotypes sandfly fever Naples virus, sandfly fever Sicilian virus, and sandfly fever Cyprus virus cause febrile diseases, whereas Toscana virus (TOSV) is responsible for aseptic meningoencephalitis. Diagnosis and surveillance of TOSV depend heavily on virus serology, and various commercial assays utilizing various antigen sources and formats have been available. The aim of this study was to perform comparative evaluation of commercially available serological assays for anti-TOSV immunoglobulins. MATERIALS AND METHODS A collection of 120 sera from healthy blood donors from an endemic region, previously identified to be reactive for antibodies against various SFV serotypes by indirect immunofluorescence test (IIFT), was reevaluated for IgG/IgM via IIFT, enzyme-linked immunosorbent assay, and an immunoblot assay manufactured by Euroimmun, Diesse, and Mikrogen, respectively. Virus neutralization test (VNT) was performed for 99 sera using standard TOSV, sandfly fever Sicilian virus, and sandfly fever Naples virus strains. RESULTS A total of 89 samples (74.2%) were reactive for TOSV IgG in at least one of the commercial assays, and 31 samples (31.3%) were reactive in VNT for various SFV serotypes. Average percentage agreements among commercial assays and between VNT and the commercial assays were noted as 57.8% and 62.6%, respectively. No significant correlation between assay results and VNT titers was observed. SFV IgM antibodies were detected in a total of eight samples (6.7%) via IIFT, which were nonreactive in enzyme-linked immunosorbent assay and VNT. DISCUSSION Commercial diagnostic immunoassays displayed slight to fair agreement for TOSV IgG as assessed via kappa and percentage agreement values. The results could only be confirmed via virus neutralization in a portion of the samples, and overall agreement between the commercial assays and VNT was slight. Commercial assays such as immunoblot can be used in addition to VNT for confirmation of TOSV exposure.
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Affiliation(s)
- Koray Ergünay
- Department of Medical Microbiology, Virology Unit, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
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Histological description of the lymphadenopathy related to Toscana virus infection. Report of a case. Pathol Res Pract 2011; 207:197-201. [DOI: 10.1016/j.prp.2010.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2009] [Revised: 04/13/2010] [Accepted: 07/23/2010] [Indexed: 11/18/2022]
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Serata D, Rapinesi C, Del Casale A, Simonetti A, Mazzarini L, Ambrosi E, Kotzalidis GD, Fensore C, Girardi P, Tatarelli R. Personality Changes After Toscana Virus (TOSV) Encephalitis in a 49-Year-Old Man: A Case Report. Int J Neurosci 2010; 121:165-9. [DOI: 10.3109/00207454.2010.537412] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Ergünay K, Saygan MB, Aydoğan S, Lo MM, Weidmann M, Dilcher M, Sener B, Hasçelik G, Pınar A, Us D. Sandfly fever virus activity in central/northern Anatolia, Turkey: first report of Toscana virus infections. Clin Microbiol Infect 2010; 17:575-81. [PMID: 20731683 DOI: 10.1111/j.1469-0691.2010.03346.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Sandfly fever viruses (SFVs) cause febrile diseases as well as aseptic meningitis/encephalitis and include serotypes sandfly fever Sicilian virus (SFSV), sandfly fever Naples virus (SFNV) and Toscana virus (TOSV). Infections are endemic in the Mediterranean basin and data on SFV activity in Turkey are limited. In this study, sera from 1533 blood donors from the Ankara, Konya, Eskisehir and Zonguldak provinces of Turkey were evaluated for SFV exposure by indirect immunofluorescence test (IIFT) and confirmed by virus neutralization test (VNT). One hundred and two patients with central nervous system (CNS) infections of unknown aetiology were also tested via IIFT and real-time reverse-transcription PCR for SFV/TOSV. Rate of overall IgG reactivity in IIFT was 32.9% (505/1533) among blood donors. TOSV exposure was confirmed by VNT in all study regions. Exposure to the recently-identified serotype sandfly fever Turkish virus, as evaluated by VNT, was revealed in Konya and Ankara. SFNV exposure was identified in Konya and SFSV was observed to be present in all regions except Zonguldak. TOSV RNA was detected in 15.7% (16/102) and was accompanied by TOSV IgM in 25% (4/16) of the patients. Partial L and S sequences suggested that TOSV circulating in Turkey can be grouped into TOSV genotype A strains. Exposure to TOSV and other SFV serotypes was revealed in blood donors and CNS infections by TOSV were identified for the first time in Turkey. Infections are observed to be endemic in central Anatolia and should be considered as aetiologic agents in cases/outbreaks of fever and meningoencephalitis.
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Affiliation(s)
- K Ergünay
- Department of Medical Microbiology, Faculty of Medicine, Hacettepe University, 06100 Sihhiye, Ankara, Turkey.
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Hollidge BS, González-Scarano F, Soldan SS. Arboviral encephalitides: transmission, emergence, and pathogenesis. J Neuroimmune Pharmacol 2010; 5:428-42. [PMID: 20652430 PMCID: PMC3286874 DOI: 10.1007/s11481-010-9234-7] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2010] [Accepted: 07/02/2010] [Indexed: 12/20/2022]
Abstract
Arthropod-borne viruses (arboviruses) are of paramount concern as a group of pathogens at the forefront of emerging and re-emerging diseases. Although some arboviral infections are asymptomatic or present with a mild influenza-like illness, many are important human and veterinary pathogens causing serious illness ranging from rash and arthritis to encephalitis and hemorrhagic fever. Here, we discuss arboviruses from diverse families (Flaviviruses, Alphaviruses, and the Bunyaviridae) that are causative agents of encephalitis in humans. An understanding of the natural history of these infections as well as shared mechanisms of neuroinvasion and neurovirulence is critical to control the spread of these viruses and for the development of effective vaccines and treatment modalities.
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Affiliation(s)
- Bradley S Hollidge
- Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104-4283, USA
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