Inactivated Rabies Vaccine Produced from the Flury LEP Strain of Virus Grown in BHK-21 Suspension Cells
AUTOR(ES)
Chapman, W. G.
RESUMO
Suspension cultures of BHK-21 cells maintained at 32 to 33 C were infected with the Flury LEP strain of rabies virus. By using a cell concentration of 2.0 × 106 to 2.5 × 106 cells per ml infected at a multiplicity of 0.05, high titers of extracellular virus were reached in 96 to 120 h, and potent inactivated vaccines were prepared from culture fluids harvested between 96 to 168 h. The addition of 1% bovine serum to the maintenance medium resulted in an increase in virus yields and vaccine potency. Estimation of the number of infected cells by immunofluorescent procedures proved a rapid and reliable guide to the virus content of suspension cultures.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=379922Documentos Relacionados
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