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Drwiega EN, Danziger LH, Burgos RM, Michienzi SM. Commonly Reported Mosquito-Borne Viruses in the United States: A Primer for Pharmacists. J Pharm Pract 2024; 37:741-752. [PMID: 37018738 DOI: 10.1177/08971900231167929] [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] [Indexed: 04/07/2023]
Abstract
Mosquito-borne diseases are a public health concern. Pharmacists are often a patient's first stop for health information and may be asked questions regarding transmission, symptoms, and treatment of mosquito borne viruses (MBVs). The objective of this paper is to review transmission, geographic location, symptoms, diagnosis and treatment of MBVs. We discuss the following viruses with cases in the US in recent years: Dengue, West Nile, Chikungunya, LaCrosse Encephalitis, Eastern Equine Encephalitis Virus, and Zika. Prevention, including vaccines, and the impact of climate change are also discussed.
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Affiliation(s)
- Emily N Drwiega
- College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - Larry H Danziger
- College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
- College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Rodrigo M Burgos
- College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - Sarah M Michienzi
- College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
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Bergevin MD, Ng V, Sadeghieh T, Menzies P, Ludwig A, Mubareka S, Clow KM. A Scoping Review on the Epidemiology of Orthobunyaviruses in Canada, in the Context of Human, Wildlife, and Domestic Animal Host Species. Vector Borne Zoonotic Dis 2024; 24:249-264. [PMID: 38206763 DOI: 10.1089/vbz.2023.0109] [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] [Indexed: 01/13/2024] Open
Abstract
Background: Mosquito-borne orthobunyaviruses in Canada are a growing public health concern. Orthobunyaviral diseases are commonly underdiagnosed and in Canada, likely underreported as surveillance is passive. No vaccines or specific treatments exist for these disease agents. Further, climate change is facilitating habitat expansion for relevant reservoirs and vectors, and it is likely that the majority of the Canadian population is susceptible to these viruses. Methods: A scoping review was conducted to describe the current state of knowledge on orthobunyavirus epidemiology in Canada. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews guideline was used. Literature searches were conducted in six databases and in gray literature. The epidemiology of orthobunyaviruses was characterized for studies focusing on host species, including spatiotemporal patterns, risk factors, and climate change impact. Results: A total of 172 relevant studies were identified from 1734 citations from which 95 addressed host species, including humans, wildlife, and domestic animals including livestock. The orthobunyaviruses-Cache Valley virus (CVV), Jamestown Canyon virus (JCV), Snowshoe Hare virus (SHV), and La Crosse virus (LACV)-were identified, and prevalence was widespread across vertebrate species. CVV, JCV, and SHV were detected across Canada and the United States. LACV was reported only in the United States, predominantly the Mid-Atlantic and Appalachian regions. Disease varied by orthobunyavirus and was associated with age, environment, preexisting compromised immune systems, or livestock breeding schedule. Conclusion: Knowledge gaps included seroprevalence data in Canada, risk factor analyses, particularly for livestock, and disease projections in the context of climate change. Additional surveillance and mitigation strategies, especially accounting for climate change, are needed to guide future public health efforts to prevent orthobunyavirus exposure and disease.
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Affiliation(s)
- Michele D Bergevin
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Victoria Ng
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
- National Microbiology Laboratory Branch, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Tara Sadeghieh
- Health Promotion and Chronic Disease Prevention Branch, Public Health Agency of Canada, Ottawa, Ontario, Canada
| | - Paula Menzies
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Antoinette Ludwig
- National Microbiology Laboratory Branch, Public Health Agency of Canada, St. Hyacinthe, Québec, Canada
| | - Samira Mubareka
- Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Katie M Clow
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
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Edridge AWD, van der Hoek L. Emerging orthobunyaviruses associated with CNS disease. PLoS Negl Trop Dis 2020; 14:e0008856. [PMID: 33112863 PMCID: PMC7652332 DOI: 10.1371/journal.pntd.0008856] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 11/09/2020] [Accepted: 10/07/2020] [Indexed: 01/08/2023] Open
Abstract
The Orthobunyavirus genus comprises a wide range of arthropod-borne viruses which are prevalent worldwide and commonly associated with central nervous system (CNS) disease in humans and other vertebrates. Several orthobunyaviruses have recently emerged and increasingly more will likely do so in the future. Despite this large number, an overview of these viruses is currently lacking, making it challenging to determine importance from a One Health perspective. Causality is a key feature of determining importance, yet classical tools are unfit to evaluate the causality of orthobunyaviral CNS disease. Therefore, we aimed to provide an overview of orthobunyaviral CNS disease in vertebrates and objectify the causality strength of each virus. In total, we identified 27 orthobunyaviruses described in literature to be associated with CNS disease. Ten were associated with disease in multiple host species of which seven included humans. Seven viruses were associated with both congenital and postnatal CNS disease. CNS disease-associated orthobunyaviruses were spread across all known Orthobunyavirus serogroups by phylogenetic analyses. Taken together, these results indicate that orthobunyaviruses may have a common tendency to infect the CNS of vertebrates. Next, we developed six tailor-made causality indicators and evaluated the causality strength of each of the identified orthobunyaviruses. Nine viruses had a 'strong' causality score and were deemed causal. Eight had a 'moderate' and ten a 'weak' causality score. Notably, there was a lack of case-control studies, which was only available for one virus. We, therefore, stress the importance of proper case-control studies as a fundamental aspect of proving causality. This comprehensible overview can be used to identify orthobunyaviruses which may be considered causal, reveal research gaps for viruses with moderate to low causality scores, and provide a framework to evaluate the causality of orthobunyaviruses that may newly emerge in the future.
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Affiliation(s)
- Arthur Wouter Dante Edridge
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam institute for Infection & Immunity, Amsterdam UMC, University of Amsterdam, the Netherlands
- Global Child Health Group, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Lia van der Hoek
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam institute for Infection & Immunity, Amsterdam UMC, University of Amsterdam, the Netherlands
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Dixson A, Jackson RN, Rowe RD, Nease R, Fryxell RTT. Aedes albopictus oviposits with other Aedes species in artificial oviposition cups: a case study in Knox County, Tennessee, U.S.A. JOURNAL OF VECTOR ECOLOGY : JOURNAL OF THE SOCIETY FOR VECTOR ECOLOGY 2020; 45:2-15. [PMID: 32492282 DOI: 10.1111/jvec.12368] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 10/26/2019] [Indexed: 06/11/2023]
Abstract
Interspecific associations between two mosquito species can lead to effects such as competition, species displacement, and species stability. To better understand Aedes albopictus (Skuse) and other Aedes species, we monitored eggs in artificial oviposition cups (ovitraps) within Knox County, TN, U.S.A., during the 2016 and 2017 mosquito seasons. In 2016, one black and one white ovitrap were placed at 18 sites for 21 weeks, while in 2017 black and white ovitraps baited with grass-infused or deionized water were placed at 11 sites for nine weeks. Eggs were identified to species and resulting counts were used to determine the degree of interspecific association using Cole's coefficients (C7 ) and the degree of heterogeneity across space and time using generalized linear mixed models (GLMM). Here, Aedes mosquitoes are generally ovipositing in black cups with grass-infused water, and Ae. albopictus eggs co-occurred with other Aedes species more often than would be expected. Finding a positive significant interspecific association between Ae. albopictus and other Aedes eggs suggests that methods used to control Ae. albopictus may also control other Aedes mosquitoes. Finding that Ae. albopictus co-occurs with other Aedes mosquitoes warrants additional research to evaluate outcomes associated with co-occurrence within the study area.
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Affiliation(s)
- A Dixson
- Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, TN, 37996, U.S.A
| | - R N Jackson
- Knox County Health Department, Knoxville, TN, 37917, U.S.A
| | - R D Rowe
- Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, TN, 37996, U.S.A
| | - R Nease
- Knox County Health Department, Knoxville, TN, 37917, U.S.A
| | - R T Trout Fryxell
- Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, TN, 37996, U.S.A
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Abstract
BACKGROUND La Crosse viral encephalitis is well described in children, but to date, there are only 2 adult cases described in the literature. Despite the fact that pediatric infection can be life threatening and typically presents as a febrile meningoencephalitis often complicated by seizures and mental status changes, little is known about the presentation and course of adult infection. We report the largest case series of adult La Crosse encephalitis. METHODS Inpatient data were reviewed between 2001 and 2012 to identify adults (≥18 years of age) with possible La Crosse encephalitis. Subsequent review of serologic testing was followed by a comprehensive chart review. RESULTS Ten cases were identified, with ages ranging from 20 to 80 years. Fever, headache, and hyponatremia were seen in the majority, while mental status changes occurred in 5 patients and seizures in 2 patients. The mean length of stay was 8.4 days (± 8.4); 3 patients required intensive care unit admission, 2 of them were intubated, and 4 patients required discharge to a rehabilitation facility. CONCLUSIONS La Crosse Virus produces a clinically significant encephalitis in adults, and a high level of suspicion should be maintained, particularly in endemic areas. There were no deaths, but La Crosse encephalitis in adults remained a morbid illness often associated with mental status changes, prolonged length of stay or intensive care unit admission, and frequent need for postdischarge rehabilitation.
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Neurotropic virus infections as the cause of immediate and delayed neuropathology. Acta Neuropathol 2016; 131:159-184. [PMID: 26659576 PMCID: PMC4713712 DOI: 10.1007/s00401-015-1511-3] [Citation(s) in RCA: 199] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 10/24/2015] [Accepted: 11/17/2015] [Indexed: 12/30/2022]
Abstract
A wide range of viruses from different virus families in different geographical areas, may cause immediate or delayed neuropathological changes and neurological manifestations in humans and animals. Infection by neurotropic viruses as well as the resulting immune response can irreversibly disrupt the complex structural and functional architecture of the central nervous system, frequently leaving the patient or affected animal with a poor or fatal prognosis. Mechanisms that govern neuropathogenesis and immunopathogenesis of viral infections are highlighted, using examples of well-studied virus infections that are associated with these alterations in different populations throughout the world. A better understanding of the molecular, epidemiological and biological characteristics of these infections and in particular of mechanisms that underlie their clinical manifestations may be expected to provide tools for the development of more effective intervention strategies and treatment regimens.
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Mahan M, Karl M, Gordon S. Neuroimaging of viral infections of the central nervous system. HANDBOOK OF CLINICAL NEUROLOGY 2014; 123:149-73. [PMID: 25015484 DOI: 10.1016/b978-0-444-53488-0.00006-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mathur Mahan
- Department of Radiology, Yale University School of Medicine, New Haven, CT, USA
| | - Muchantef Karl
- Department of Radiology, Yale University School of Medicine, New Haven, CT, USA
| | - Sze Gordon
- Department of Radiology, Yale University School of Medicine, New Haven, CT, USA.
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Bennett RS, Cress CM, Ward JM, Firestone CY, Murphy BR, Whitehead SS. La Crosse virus infectivity, pathogenesis, and immunogenicity in mice and monkeys. Virol J 2008; 5:25. [PMID: 18267012 PMCID: PMC2276200 DOI: 10.1186/1743-422x-5-25] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2008] [Accepted: 02/11/2008] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND La Crosse virus (LACV), family Bunyaviridae, was first identified as a human pathogen in 1960 after its isolation from a 4 year-old girl with fatal encephalitis in La Crosse, Wisconsin. LACV is a major cause of pediatric encephalitis in North America and infects up to 300,000 persons each year of which 70-130 result in severe disease of the central nervous system (CNS). As an initial step in the establishment of useful animal models to support vaccine development, we examined LACV infectivity, pathogenesis, and immunogenicity in both weanling mice and rhesus monkeys. RESULTS Following intraperitoneal inoculation of mice, LACV replicated in various organs before reaching the CNS where it replicates to high titer causing death from neurological disease. The peripheral site where LACV replicates to highest titer is the nasal turbinates, and, presumably, LACV can enter the CNS via the olfactory neurons from nasal olfactory epithelium. The mouse infectious dose50 and lethal dose50 was similar for LACV administered either intranasally or intraperitoneally. LACV was highly infectious for rhesus monkeys and infected 100% of the animals at 10 PFU. However, the infection was asymptomatic, and the monkeys developed a strong neutralizing antibody response. CONCLUSION In mice, LACV likely gains access to the CNS via the blood stream or via olfactory neurons. The ability to efficiently infect mice intranasally raises the possibility that LACV might use this route to infect its natural hosts. Rhesus monkeys are susceptible to LACV infection and develop strong neutralizing antibody responses after inoculation with as little as 10 PFU. Mice and rhesus monkeys are useful animal models for LACV vaccine immunologic testing although the rhesus monkey model is not optimal.
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Affiliation(s)
- Richard S Bennett
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
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Bennett RS, Ton DR, Hanson CT, Murphy BR, Whitehead SS. Genome sequence analysis of La Crosse virus and in vitro and in vivo phenotypes. Virol J 2007; 4:41. [PMID: 17488515 PMCID: PMC1877800 DOI: 10.1186/1743-422x-4-41] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2007] [Accepted: 05/08/2007] [Indexed: 12/04/2022] Open
Abstract
Background La Crosse virus (LACV), family Bunyaviridae, is a mosquito-borne virus recognized as a major cause of pediatric encephalitis in North America with 70–130 symptomatic cases each year. The virus was first identified as a human pathogen in 1960 after its isolation from a 4 year-old girl who suffered encephalitis and died in La Crosse, Wisconsin. The majority of LACV infections are mild and never reported, however, serologic studies estimate infection rates of 10–30/100,000 in endemic areas. Results In the present study, sequence analysis of the complete LACV genomes of low-passage LACV/human/1960, LACV/mosquito/1978, and LACV/human/1978 strains and of biologically cloned derivatives of each strain, indicates that circulating LACVs are genetically stable over time and geographic distance with 99.6–100%, 98.9–100%, 97.8–99.6%, and 99.2–99.7% amino acid identity for N, NsS, M polyprotein, and L proteins respectively. We identified 5 amino acid differences in the RNA polymerase and 4 nucleotide differences in the non-coding region of the L segment specific to the human virus isolates, which may result in altered disease outcomes. Conclusion All three wild type viruses had similar in vitro growth kinetics and phenotypes in mosquito C6/36 and Vero cells, and similar levels of neurovirulence and neuroinvasiveness in Swiss Webster mice. The biologically cloned derivative of LACV/human/1960 was significantly less neuroinvasive than its uncloned parent and differed in sequence at one amino acid position in the GN glycoprotein, identifying this residue as an attenuating mutation.
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Affiliation(s)
- Richard S Bennett
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - David R Ton
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Christopher T Hanson
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Brian R Murphy
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Stephen S Whitehead
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Abstract
The Bunyaviridae are a large group of viruses that infect a diversity of arthropod vectors and animal hosts. They have a worldwide distribution and can be the cause of human illness ranging from mild asymptomatic infection to hemorrhagic fever and fatal encephalitis. The growth of the human population, the expansion of agricultural and economic development, climatic changes, and the speed and frequency of global transportation all favor the emergence of bunyaviruses and other arthropod borne viruses. International monitoring of the Bunyaviridae and a greater understanding of their ecology and biology are needed to prepare for future outbreaks.
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Affiliation(s)
- Samantha S Soldan
- Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-4283, USA
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Abstract
Temporal lobe abnormalities, findings commonly associated with herpes simplex virus encephalitis, were observed in a male 10 years of age found to have LaCrosse virus encephalitis. Diagnostic features included magnetic resonance imaging revealing abnormal signal intensity in the bilateral frontotemporal regions, and left-sided periodic lateralizing epileptiform discharges. LaCrosse virus encephalitis should be included in the differential diagnosis of viral encephalitis associated with structural and electrographic temporal lobe lesions, represented by periodic lateralizing epileptiform discharges. The recently developed LaCrosse RNA polymerase chain reaction for cerebrospinal fluid may enable rapid diagnosis, prevent the need for treatment with acyclovir, and give parents an encouraging prognosis.
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Affiliation(s)
- D K Sokol
- Department of Neurology, James Whitcomb Riley Hospital for Children, Indiana University Medical Center, Indianapolis, Indiana 46202-5200, USA
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