visna virus

(redirected from Maedi-visna virus)
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vis·na vi·rus

an RNA virus a Lentivirus (family Retroviridae) that causes visna; it is closely related antigenically to the similar maedi virus.
References in periodicals archive ?
Nucleotide sequence of EV1, a British isolate of maedi-visna virus. J Gen Virol 72(Pt8): 1983-903
The most common causes for viral encephalitis in sheep include maedi-visna virus, Borna disease virus, and rabies virus.