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Type: Artigo de periódico
Title: Neutralizing Antibodies To Distemper And Parainfluenza Viruses In Dogs In Shelter Kennels In The Municipalities Of Novo Hamburgo And Porto Alegre, Rs, Brazil [anticorpos Neutralizantes Contra Os Vírus Da Cinomose E Da Parainfluenza Em Cães De Canis Dos Municípios De Novo Hamburgo E Porto Alegre, Rs, Brasil]
Author: Hartmann T.L.S.
Batista H.B.D.C.R.
Dezen D.
Spilki F.R.
Franco A.C.
Roehe P.M.
Abstract: In this report a serological survey was carried out in search for antibodies to canine distemper virus (CDV) and canine parainfluenza virus (CPIV) in 173 sera from dogs withdraw in kennels of the municipalities of Novo Hamburgo (n=82) and Porto Alegre (n=91), RS, Brazil. Neutralizing antibodies were evaluated against two CDV strains used for vaccine production (Rockborn and Snyder Hill) as well as one strain of CPIV (V660). Search for anti-CDV neutralizing antibodies revealed that 95.9% of sera were negative for antibodies to CDV Snyder Hill and 90.7% were negative for antibodies to CDV Rockborn. Among the positive sera (n=20; 11.6 %) only three of those had neutralizing antibodies to both CDV strains, indicating a low degree of cross reactivity between those. As regards CPIV, neutralizing antibodies to V660 were detected in 51.4% of sera. These findings suggest that the majority of the dogs from the populations examined in the present study had not previous contact with CDV, either by natural infection or by previous immunization. CPIV, on its turn, seem to be widespread within these populations, most likely by natural exposure to the virus.
Rights: aberto
Identifier DOI: 
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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