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Experimental Infection of White-Tailed Deer (Odocoileus virginanus) with Heartland Virus. 2018

Lorelei L Clarke, and Mark G Ruder, and Daniel Mead, and Elizabeth W Howerth
Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, Georgia.

Heartland virus (HRTV) is a phlebovirus suspected to be transmitted by Amblyomma americanum, commonly known as the lone star tick, and reported to cause illness in humans, which is characterized by thrombocytopenia and leukopenia. Heartland virus-reactive antibodies have been detected in a variety of wildlife species including white-tailed deer (WTD). To better understand the potential role of deer in the epidemiology of HRTV, we experimentally inoculated five WTD fawns with HRTV and monitored for clinical disease, viremia, virus shedding, and seroconversion. None of the animals showed signs of clinical disease, and there was no detectable viremia or virus shedding postinoculation. Two wild-caught fawns entered the study with preexisting antibody titers against HRTV. All animals showed minimal immune responses against HRTV after needle inoculation. In conclusion, this study does not indicate that WTD are a likely reservoir for HRTV in natural settings.

UI MeSH Term Description Entries
D002044 Bunyaviridae Infections Virus diseases caused by the BUNYAVIRIDAE. Bunyavirus Infections,Infections, Bunyaviridae,Infections, Bunyavirus,Oropouche Fever,Oropouche Infection,Oropouche Orthobunyavirus Infection,Oropouche Virus Infection,Orthobunyavirus Infections,Bunyaviridae Infection,Bunyavirus Infection,Oropouche Fevers,Orthobunyavirus Infection,Orthobunyavirus Infection, Oropouche,Virus Infection, Oropouche
D003670 Deer The family Cervidae of 17 genera and 45 species occurring nearly throughout North America, South America, and Eurasia, on most associated continental islands, and in northern Africa. Wild populations of deer have been established through introduction by people in Cuba, New Guinea, Australia, New Zealand, and other places where the family does not naturally occur. They are slim, long-legged and best characterized by the presence of antlers. Their habitat is forests, swamps, brush country, deserts, and arctic tundra. They are usually good swimmers; some migrate seasonally. (Walker's Mammals of the World, 5th ed, p1362) Deers
D004197 Disease Reservoirs Animate or inanimate sources which normally harbor disease-causing organisms and thus serve as potential sources of disease outbreaks. Reservoirs are distinguished from vectors (DISEASE VECTORS) and carriers, which are agents of disease transmission rather than continuing sources of potential disease outbreaks. Humans may serve both as disease reservoirs and carriers. Disease Reservoir,Human Disease Reservoirs,Infectious Disease Reservoir,Reservoirs of Infection,Infectious Disease Reservoirs,Disease Reservoir, Human,Disease Reservoir, Infectious,Disease Reservoirs, Human,Human Disease Reservoir,Infection Reservoir,Infection Reservoirs,Reservoir, Disease,Reservoir, Infectious Disease,Reservoirs, Human Disease
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000914 Antibodies, Viral Immunoglobulins produced in response to VIRAL ANTIGENS. Viral Antibodies
D016856 Phlebovirus A genus of the family BUNYAVIRIDAE comprising many viruses, most of which are transmitted by Phlebotomus flies and cause PHLEBOTOMUS FEVER. The type species is RIFT VALLEY FEVER VIRUS. SFTS bunyavirus,Sandfly Fever Sicilian Virus,Severe Fever with Thrombocytopenia Syndrome Bunyavirus,Phleboviruses
D060888 Real-Time Polymerase Chain Reaction Methods used for detecting the amplified DNA products from the polymerase chain reaction as they accumulate instead of at the end of the reaction. Kinetic Polymerase Chain Reaction,Quantitative Real-Time PCR,Quantitative Real-Time Polymerase Chain Reaction,Real-Time PCR,PCR, Quantitative Real-Time,PCR, Real-Time,PCRs, Quantitative Real-Time,PCRs, Real-Time,Quantitative Real Time PCR,Quantitative Real Time Polymerase Chain Reaction,Quantitative Real-Time PCRs,Real Time PCR,Real Time Polymerase Chain Reaction,Real-Time PCR, Quantitative,Real-Time PCRs,Real-Time PCRs, Quantitative

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