Arbovirus serosurvey (Orthobunyavirus, Flavivirus, and Alphavirus) in a draft horse population from Santa Fe, Argentina (2013-2016).
Abstract: In the present study, we serosurveyed the exposure of 222 draft horses to different arboviruses in the city of Santa Fe, Argentina. Plaque reduction neutralization tests confirmed exposure to Fort Sherman virus (FSV), Saint Louis encephalitis virus (SLEV), West Nile virus (WNV), and Río Negro virus (RNV). Apparently, Western and Eastern equine encephalitis viruses did not circulate in the population tested. The confirmation of five seroconversions for WNV, FSV, and SLEV and the association between prevalence and age are indicative of recent circulation. These results highlight the importance of considering draft horses in arboviral surveillance in urban and rural areas of developing countries.
Publication Date: 2021-01-12 PubMed ID: 33433694PubMed Central: 3290965DOI: 10.1007/s00705-020-04929-4Google Scholar: Lookup
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- Journal Article
- Alphavirus
- Animal Health
- Arboviruses
- Disease Prevalence
- Disease Surveillance
- Disease Transmission
- Draft Horses
- Encephalitis
- Epidemiology
- Equine Diseases
- Equine Health
- Horses
- Infectious Disease
- Mosquito-borne Diseases
- Public Health
- Serological Surveys
- Seroprevalence
- Vector-borne disease
- Veterinary Medicine
- West Nile Virus
Summary
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This research study investigated the exposure of draft horses in Santa Fe, Argentina to different types of arboviruses. Neutralization tests confirmed exposure to four specific viruses, with the highest incidence in older horses indicating recent circulation in the population.
Objective of the Research
- The primary objective of this study was to detect the presence and prevalence of three groups of arboviruses (Orthobunyavirus, Flavivirus, and Alphavirus) in a population of draft horses in the city of Santa Fe, Argentina between the years 2013 and 2016.
Methods Used in the Study
- Researchers used plaque reduction neutralization tests (PRNT), a type of virology test used to detect presence of virus-specific antibodies in blood serum samples.
- The tests specifically checked for exposure to four arboviruses: Fort Sherman virus (FSV), Saint Louis encephalitis virus (SLEV), West Nile virus (WNV), and Río Negro virus (RNV).
- The study did not find presence of either Western or Eastern equine encephalitis viruses in the tested population.
Findings of the Research
- The study found that the draft horses had indeed been exposed to FSV, SLEV, WNV, and RNV.
- There were five confirmed cases of seroconversion (the time period during which a specific antibody develops and becomes detectable in the blood) for the WNV, FSV, and SLEV. This indicates that these viruses were recently circulating in the horse population.
- Additionally, the researchers found a correlation between the prevalence of the viruses and age, indicating that older horses were more susceptible.
Significance and Conclusion of the Findings
- This research shows that arboviruses are present and actively circulating in the draft horse population in Santa Fe, Argentina. This could have potential consequences for both equine health and possibly public health, considering certain arboviruses can be transmitted to humans.
- The findings highlight the importance of including draft horses in arboviral surveillance, especially in urban and rural areas of developing countries.
Cite This Article
APA
(2021).
Arbovirus serosurvey (Orthobunyavirus, Flavivirus, and Alphavirus) in a draft horse population from Santa Fe, Argentina (2013-2016).
Arch Virol, 166(3), 881-884.
https://doi.org/10.1007/s00705-020-04929-4 Publication
Researcher Affiliations
MeSH Terms
- Alphavirus / immunology
- Alphavirus / isolation & purification
- Alphavirus Infections / epidemiology
- Alphavirus Infections / veterinary
- Animals
- Antibodies, Viral / blood
- Argentina / epidemiology
- Bunyaviridae Infections / epidemiology
- Bunyaviridae Infections / veterinary
- Encephalitis Virus, St. Louis / immunology
- Encephalitis Virus, St. Louis / isolation & purification
- Encephalitis, St. Louis / epidemiology
- Encephalitis, St. Louis / veterinary
- Horse Diseases / epidemiology
- Horse Diseases / virology
- Horses
- Orthobunyavirus / immunology
- Orthobunyavirus / isolation & purification
- Seroconversion
- West Nile Fever / epidemiology
- West Nile Fever / veterinary
- West Nile virus / immunology
- West Nile virus / isolation & purification
Grant Funding
- PICT 2016-4420 / Fondo para la Investigaciu00f3n Cientu00edfica y Tecnolu00f3gica
References
This article includes 12 references
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Citations
This article has been cited 4 times.- García-Romero C, Carrillo Bilbao GA, Navarro JC, Martin-Solano S, Saegerman C. Arboviruses in Mammals in the Neotropics: A Systematic Review to Strengthen Epidemiological Monitoring Strategies and Conservation Medicine. Viruses 2023 Feb 1;15(2).
- Ghietto LM, Gil PI, Olmos Quinteros P, Gomez E, Piris FM, Kunda P, Contigiani M, Paglini MG. Members of Venezuelan Equine Encephalitis complex entry into host cells by clathrin-mediated endocytosis in a pH-dependent manner. Sci Rep 2022 Aug 25;12(1):14556.
- Vissani MA, Alamos F, Tordoya MS, Minatel L, Schammas JM, Dus Santos MJ, Trono K, Barrandeguy ME, Balasuriya UBR, Carossino M. Outbreak of Western Equine Encephalitis Virus Infection Associated with Neurological Disease in Horses Following a Nearly 40-Year Intermission Period in Argentina. Viruses 2024 Oct 10;16(10).
- Rucci KA, Arias-Builes DL, Visintin AM, Diaz A. Serological survey reveals enzootic circulation of St. Louis encephalitis and West Nile viruses in semiarid Monte ecosystem of Argentina. Sci Rep 2024 Feb 29;14(1):4994.
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