Active transmission of Bourbon virus in New York EIDjournal UMassAmherst ualbany virus virology infection disease
Background BRBV of the Thogotvirus genus under the Orthomyxoviridae family is suspected to be tick-borne that was first isolated from a resident of Bourbon County in the United States . Human cases of BRBV were identified in Missouri, Oklahoma, and Kansas. BRBV is a close relative of the Oz virus isolated in Japan from a tick species . The lone star tick has been identified as a likely BRBV vector. Ground-dwelling birds and small mammals serve as hosts for immature ticks.
The person experienced fever, fatigue, and chills. The tick was also positive for a bacterium , according to the comprehensive TickReport service. The individual’s blood samples were unavailable, and as such, it was unclear whether the reported symptoms were due to BBRV infection, bacteria, or an unrelated etiology.
Related StoriesSampling was expanded in 2021 to collect more ticks from additional locations. The authors modified detection protocols to use primers designed for BBRV based on the original strain. In total, the researchers collected 1,058 tick pools from 12 sites in the County. BBRV RNA was present in five pools comprising unengorged nymphs, and the infectious viral particles were isolated from positive pools after incubating in Vero cells.
The research team tested 881 serum samples for neutralizing antibodies against BBRV, and positive specimens were serially diluted for endpoint titers. Around 37% of deer in the state were seropositive, with nearly 90% of seropositive animals having titers above 20. The seropositivity for deer in Suffolk County was estimated at 66.5%.
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