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Oh DY, Biere B, Grenz M, Wolff T, Schweiger B, Dürrwald R, Reiche J. Virological Surveillance and Molecular Characterization of Human Parainfluenzavirus Infection in Children with Acute Respiratory Illness: Germany, 2015-2019. Microorganisms 2021; 9:1508. [PMID: 34361941 PMCID: PMC8307145 DOI: 10.3390/microorganisms9071508] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 11/24/2022] Open
Abstract
Human parainfluenza viruses (HPIVs) are important causes of respiratory illness, especially in young children. However, surveillance for HPIV is rarely performed continuously, and national-level epidemiologic and genetic data are scarce. Within the German sentinel system, to monitor acute respiratory infections (ARI), 4463 respiratory specimens collected from outpatients < 5 years of age between October 2015 and September 2019 were retrospectively screened for HPIV 1-4 using real-time PCR. HPIV was identified in 459 (10%) samples. HPIV-3 was the most common HPIV-type, with 234 detections, followed by HPIV-1 (113), HPIV-4 (61), and HPIV-2 (49). HPIV-3 was more frequently associated with age < 2 years, and HPIV-4 was more frequently associated with pneumonia compared to other HPIV types. HPIV circulation displayed distinct seasonal patterns, which appeared to vary by type. Phylogenetic characterization clustered HPIV-1 in Clades 2 and 3. Reclassification was performed for HPIV-2, provisionally assigning two distinct HPIV-2 groups and six clades, with German HPIV-2s clustering in Clade 2.4. HPIV-3 clustered in C1, C3, C5, and, interestingly, in A. HPIV-4 clustered in Clades 2.1 and 2.2. The results of this study may serve to inform future approaches to diagnose and prevent HPIV infections, which contribute substantially to ARI in young children in Germany.
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Affiliation(s)
- Djin-Ye Oh
- Unit 17, Department of Infectious Diseases, Influenza and Other Respiratory Viruses, National Influenza Centre, Robert Koch Institute, Seestraße 10, D-13353 Berlin, Germany
| | - Barbara Biere
- Unit 17, Department of Infectious Diseases, Influenza and Other Respiratory Viruses, National Influenza Centre, Robert Koch Institute, Seestraße 10, D-13353 Berlin, Germany
| | - Markus Grenz
- Consultant Laboratory for RSV, PIV and HMPV, Unit 17, Department of Infectious Diseases, Influenza and Other Respiratory Viruses, Robert Koch Institute, Seestraße 10, D-13353 Berlin, Germany
| | - Thorsten Wolff
- Unit 17, Department of Infectious Diseases, Influenza and Other Respiratory Viruses, National Influenza Centre, Robert Koch Institute, Seestraße 10, D-13353 Berlin, Germany
| | - Brunhilde Schweiger
- Unit 17, Department of Infectious Diseases, Influenza and Other Respiratory Viruses, National Influenza Centre, Robert Koch Institute, Seestraße 10, D-13353 Berlin, Germany
| | - Ralf Dürrwald
- Unit 17, Department of Infectious Diseases, Influenza and Other Respiratory Viruses, National Influenza Centre, Robert Koch Institute, Seestraße 10, D-13353 Berlin, Germany
| | - Janine Reiche
- Consultant Laboratory for RSV, PIV and HMPV, Unit 17, Department of Infectious Diseases, Influenza and Other Respiratory Viruses, Robert Koch Institute, Seestraße 10, D-13353 Berlin, Germany
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Farrag MA, Hamed ME, Amer HM, Almajhdi FN. Epidemiology of respiratory viruses in Saudi Arabia: toward a complete picture. Arch Virol 2019; 164:1981-1996. [PMID: 31139937 PMCID: PMC7087236 DOI: 10.1007/s00705-019-04300-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 05/01/2019] [Indexed: 02/07/2023]
Abstract
Acute lower respiratory tract infection is a major health problem that affects more than 15% of the total population of Saudi Arabia each year. Epidemiological studies conducted over the last three decades have indicated that viruses are responsible for the majority of these infections. The epidemiology of respiratory viruses in Saudi Arabia is proposed to be affected mainly by the presence and mobility of large numbers of foreign workers and the gathering of millions of Muslims in Mecca during the Hajj and Umrah seasons. Knowledge concerning the epidemiology, circulation pattern, and evolutionary kinetics of respiratory viruses in Saudi Arabia are scant, with the available literature being inconsistent. This review summarizes the available data on the epidemiology and evolution of respiratory viruses. The demographic features associated with Middle East respiratory syndrome-related coronavirus infections are specifically analyzed for a better understanding of the epidemiology of this virus. The data support the view that continuous entry and exit of pilgrims and foreign workers with different ethnicities and socioeconomic backgrounds in Saudi Arabia is the most likely vehicle for global dissemination of respiratory viruses and for the emergence of new viruses (or virus variants) capable of greater dissemination.
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Affiliation(s)
- Mohamed A Farrag
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455QA6, Riyadh, 11451, Saudi Arabia
| | - Maaweya E Hamed
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455QA6, Riyadh, 11451, Saudi Arabia
| | - Haitham M Amer
- Department of Virology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Fahad N Almajhdi
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455QA6, Riyadh, 11451, Saudi Arabia.
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Xiao NG, Duan ZJ, Xie ZP, Zhong LL, Zeng SZ, Huang H, Gao HC, Zhang B. Human parainfluenza virus types 1-4 in hospitalized children with acute lower respiratory infections in China. J Med Virol 2016; 88:2085-2091. [PMID: 27197630 PMCID: PMC7166804 DOI: 10.1002/jmv.24580] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2016] [Indexed: 11/09/2022]
Abstract
Human parainfluenza viruses (HPIVs) are an important cause of acute lower respiratory tract infections (ALRTIs). HPIV-4, a newly identified virus, has been associated with severe ALRTIs recently. A total of 771 nasopharyngeal aspirate samples were collected from hospitalized children between March 2010 and February 2011. HPIVs were detected by Nest-PCR, and other known respiratory viruses were detected by RT-PCR and PCR. All amplification products were sequenced. HPIVs were detected in 151 (19.58%) patients, of whom 28 (3.63%) were positive for HPIV-4, 12(1.55%) for HPIV-1, 4 (0.51%) for HPIV-2, and 107 (13.87%) for HPIV-3. Only three were found to be co-infected with different types of HPIVs. All HPIV-positive children were under 5 years of age, with the majority being less than 1 year. Only the detection rate of HPIV-3 had a significant statistical difference (χ2 = 29.648, P = 0.000) between ages. HPIV-3 and HPIV-4 were detected during the summer. Sixty (39.74%) were co-infected with other respiratory viruses, and human rhinovirus (HRV) was the most common co-infecting virus. The most frequent clinical diagnosis was bronchopneumonia, and all patients had cough; some patients who were infected with HPIV-3 and HPIV-4 had polypnea and cyanosis. No significant difference was found in clinical manifestations between those who were infected with HPIV-4 and HPIV-3. Two genotypes for HPIV-4 were prevalent, although HPIV-4a dominated. HPIV-4 is an important virus for children hospitalized with ALRTIs in China. HRV was the most common co-infecting virus. Two genotypes for HPIV-4 are prevalent, HPIV-4a dominated. J. Med. Virol. 88:2085-2091, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Ni-Guang Xiao
- Department of Pediatrics, Hunan Provincial People's Hospital, Hunan Provincial, China
| | - Zhao-Jun Duan
- State Key Laboratory of Molecular Virology and Genetic Engineering, National Institute for Viral Disease Control and Prevention, China CDC, Beijing, China
| | - Zhi-Ping Xie
- State Key Laboratory of Molecular Virology and Genetic Engineering, National Institute for Viral Disease Control and Prevention, China CDC, Beijing, China
| | - Li-Li Zhong
- Department of Pediatrics, Hunan Provincial People's Hospital, Hunan Provincial, China
| | - Sai-Zhen Zeng
- Department of Pediatrics, Hunan Provincial People's Hospital, Hunan Provincial, China
| | - Han Huang
- Department of Pediatrics, Hunan Provincial People's Hospital, Hunan Provincial, China
| | - Han-Chun Gao
- State Key Laboratory of Molecular Virology and Genetic Engineering, National Institute for Viral Disease Control and Prevention, China CDC, Beijing, China
| | - Bing Zhang
- Department of Pediatrics, Hunan Provincial People's Hospital, Hunan Provincial, China.
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Hasman H, Pachucki CT, Unal A, Nguyen D, Devlin T, Peeples ME, Kwilas SA. Aetiology of influenza-like illness in adults includes parainfluenzavirus type 4. J Med Microbiol 2009; 58:408-413. [PMID: 19273634 DOI: 10.1099/jmm.0.006098-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Influenza viruses cause significant morbidity and mortality in adults each winter. At the same time, other respiratory viruses circulate and cause respiratory illness with influenza-like symptoms. Human respiratory syncytial virus (HRSV), human parainfluenza viruses (HPIV) and human metapneumovirus have all been associated with morbidity and mortality in adults, including nosocomial infections. This study evaluated 154 respiratory specimens collected from adults with influenza-like/acute respiratory illness (ILI) seen at the Edward Hines Jr VA Hospital, Hines, IL, USA, during two successive winters, 1998-1999 and 1999-2000. The samples were tested for ten viruses in two nested multiplex RT-PCRs. One to three respiratory viruses were detected in 68 % of the samples. As expected, influenza A virus (FLU-A) infections were most common (50 % of the samples), followed by HRSV-A (16 %). Surprisingly, HPIV-4 infections (5.8 %) were the third most prevalent. Mixed infections were also relatively common (11 %). When present, HPIV infections were approximately three times more likely to be included in a mixed infection than FLU-A or HRSV. Mixed infections and HPIV-4 are likely to be missed using rapid diagnostic tests. This study confirms that ILI in adults and the elderly can be caused by HRSV and HPIVs, including HPIV-4, which co-circulate with FLU-A.
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Affiliation(s)
- Hatice Hasman
- Department of Immunology & Microbiology, College of Medicine, Rush University, 1653 W. Congress Parkway, Chicago, IL 60612, USA
- Sisli Etfal Training and Research Hospital, Department of Infectious Disease and Clinical Microbiology, Sisli, Istanbul, Turkey
| | - Constance T Pachucki
- Section of Infectious Diseases, Department of Medicine, Edward Hines Jr VA Hospital, Hines, IL 60141, USA
| | - Arife Unal
- Section of Vaccines and Immunity, The Research Institute at Nationwide Children's Hospital, Department of Pediatrics, Ohio State University College of Medicine, 700 Children's Drive, Columbus, OH 43205, USA
| | - Diep Nguyen
- Department of Medical Technology, College of Health Sciences, Rush University, 1653 W. Congress Parkway, Chicago, IL 60612, USA
| | - Troy Devlin
- Department of Medical Technology, College of Health Sciences, Rush University, 1653 W. Congress Parkway, Chicago, IL 60612, USA
| | - Mark E Peeples
- Division of Immunology, Graduate College, Rush University, 1653 W. Congress Parkway, Chicago, IL 60612, USA
- Section of Vaccines and Immunity, The Research Institute at Nationwide Children's Hospital, Department of Pediatrics, Ohio State University College of Medicine, 700 Children's Drive, Columbus, OH 43205, USA
- Department of Immunology & Microbiology, College of Medicine, Rush University, 1653 W. Congress Parkway, Chicago, IL 60612, USA
| | - Steven A Kwilas
- Division of Immunology, Graduate College, Rush University, 1653 W. Congress Parkway, Chicago, IL 60612, USA
- Section of Vaccines and Immunity, The Research Institute at Nationwide Children's Hospital, Department of Pediatrics, Ohio State University College of Medicine, 700 Children's Drive, Columbus, OH 43205, USA
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Wong SSY, Yuen KY. Antiviral therapy for respiratory tract infections. Respirology 2008; 13:950-71. [PMID: 18922142 PMCID: PMC7192202 DOI: 10.1111/j.1440-1843.2008.01404.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2008] [Revised: 07/10/2008] [Accepted: 08/04/2008] [Indexed: 12/24/2022]
Abstract
Viruses are important pathogens causing respiratory tract infections both in the community and health-care facility settings. They are extremely common causes of morbidity in the competent hosts and some are associated with significant mortality in the compromised individuals. With wider application of molecular techniques, novel viruses are being described and old viruses are found to have new significance in different epidemiological and clinical settings. Some of these emerging pathogens may have the potential to cause pandemics or global spread of a severe disease, as exemplified by severe acute respiratory syndrome and avian influenza. Antiviral therapy of viral respiratory infections is often unnecessary in the competent hosts because most of them are selflimiting and effective agents are not always available. In the immunocompromised individuals or for infections caused by highly pathogenic viruses, such as avian influenza viruses (AIV), antiviral treatment is highly desirable, despite the fact that many of the agents may not have undergone stringent clinical trials. In immunocompetent hosts, antiviral therapy can be stopped early because adaptive immune response can usually be mounted within 5-14 days. However, the duration of antiviral therapy in immunosuppressed hosts depends on clinical and radiological resolution, the degree and duration of immunosuppression, and therefore maintenance therapy is sometimes needed after the initial response. Immunotherapy and immunoprophylaxis appear to be promising directions for future research. Appropriate and targeted immunomodulation may play an important adjunctive role in some of these infections by limiting the extent of end-organ damage and multi-organ failure in some fulminant infections.
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Affiliation(s)
- Samson S Y Wong
- Department of Microbiology, Research Centre of Infection and Immunology, The University of Hong Kong, Queen Mary Hospital, Hong Kong
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