2000
DOI: 10.1590/s0103-84782000000500019
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Imunogenicidade do herpesvírus bovino tipo 5 (BHV-5) em vacinas inativadas de diferentes formulações

Abstract: Quatro vacinas inativadas, produzidas com uma amostra do herpesvírus bovino tipo 5 ( BHV-5) isolada de um surto de meningoencefalite no Rio Grande do Sul, foram administradas em quarenta bovinos visando a avaliar a sua capacidade imunogênica. As vacinas A e B foram formuladas com adjuvante oleoso e as vacinas C e D com hidróxido de alumínio [ Al2 (OH)3] . O título da suspensão viral utilizada nas vacinas foi de 10(7,5) DICT 50 / 25miL. Immunostin®, um imunoestimulante derivado de Mycobacterium, foi adicionado … Show more

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Cited by 4 publications
(4 citation statements)
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“…In these cases, management measures and even vaccination with BoHV-1 vaccines have been recommended (Flores 1998). Thus, the development of an improved and specific BoHV-5 vaccine become necessary and several efforts to produce such vaccine have been conducted, including the early development of BoHV-5 vaccines (Halfen et al 2000, Fischer et al 2007, Franco et al 2007. In this sense, the BoHV-5 strain lacking gE and TK used as inactivated vaccine may be an adequate alternative for the control of BoHV-5 infection and disease.…”
Section: Discussionmentioning
confidence: 99%
“…In these cases, management measures and even vaccination with BoHV-1 vaccines have been recommended (Flores 1998). Thus, the development of an improved and specific BoHV-5 vaccine become necessary and several efforts to produce such vaccine have been conducted, including the early development of BoHV-5 vaccines (Halfen et al 2000, Fischer et al 2007, Franco et al 2007. In this sense, the BoHV-5 strain lacking gE and TK used as inactivated vaccine may be an adequate alternative for the control of BoHV-5 infection and disease.…”
Section: Discussionmentioning
confidence: 99%
“…Dessa forma, a mesma tecnologia utilizada para a produção de vacinas contra o BHV-1, é apontada como alternativa para o controle dos surtos de meningoencefalite pelo BHV-5 (FENNER et al, 1993;ROMERA et al, 1998;HALFEN et al, 2000). Nas infecções por herpesvírus, a resposta imunológica do tipo humoral impede a ligação e a entrada do vírus na célula alvo, sendo os anticorpos responsáveis pela neutralização viral.…”
Section: Profilaxiaunclassified
“…As quatro vacinas testadas foram consideradas se-guras, pois nenhum animal vacinado demonstrou reações localizadas ou sistêmicas. Entretanto, após receberem três doses da vacina com intervalos de 30 dias, somente os animais vacinados com formulações contendo adjuvante oleoso desenvolveram resposta sorológica significativa (HALFEN et al, 2000).…”
Section: Profilaxiaunclassified
“…The absence of a specific tool for the detection and identification in vivo of BoHV-5 infected animals does not allow differentiation between BoHV-1 and/or BoHV-5 positive animals; therefore, the true prevalence of the infection is unknown and the economic relevance remains to be determined [ 2 ]. In Brazil, the disease has been reported mainly in Rio Grande do Sul [ 6 – 8 ] and less frequently in other states such as Mato Grosso do Sul [ 9 ], São Paulo [ 9 ], Paraná [ 10 ], Mato Grosso [ 11 ], Rio de Janeiro, Minas Gerais [ 12 ], and Pará [ 13 ]. Epidemiological aspects that increase virus dissemination include the aggregation of animals, introduction of animals from other places, and stressful situations [ 14 ].…”
Section: Introductionmentioning
confidence: 99%