Sensitivity of infectious bovine rhinotracheitis virus to ether.
AUTOR(ES)
Crandell, R A
RESUMO
The sensitivity of 12 field isolates of infectious boviine rhinotracheitis (IBR) virus and four commercial modified-live infectious bovine rhinotracheitis virus vaccine strains was determined after exposure to 20% ethyl ether (anesthetic) for 16 h at 4 c. The infectivity of five field strains was reduced by varying degrees, whereas seven were found to be resistant. Three vaccine strains were moderately sensitive, and one strain was resistant. Four of the sensitive field strains were isolated from the conjunctiva and the other was isolated from the surface of the epiglottis of natural infective cattle. Strains of virus isolated from fetal tissue and nasal cavity were resistant. All viruses were readily inactivated by chloroform treatment.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=275200Documentos Relacionados
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