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Guinea pigs experimentally infected with vaccinia virus replicate and shed, but do not transmit the virus Ciência Rural
Cargnelutti,Juliana Felipetto; Wendlant,Adriéli; Weiblen,Rudi; Flores,Eduardo Furtado.
The origin of vaccinia viruses (VACV) associated with vesicular disease in cattle and humans in Southeast Brazil remains uncertain, yet the role of wild species in virus transmission has been suggested. This study investigated the susceptibility and transmission potential by guinea pigs (Cavia porcellus) - phylogenetically close to an abundant Brazilian rodent (Cavia aperea) - to two VACV strains (P1V and P2V) isolated from an outbreak of cutaneous disease in horses in Southern Brazil. Eight guinea pigs inoculated intranasally with P1V and P2V (10(6) TCID50.ml-1) did not develop clinical signs, but six animals shed virus in nasal secretions (day 1 to 9 post-inoculation - pi), developed viremia (between days 1 and 10 pi) and seroconverted to VACV. In spite...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Cavia porcellus; Cavia aperea; Orthopoxvirus; Transmission; Epidemiology.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782012000600017
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