نتایج جستجو برای: vaccinal strain
تعداد نتایج: 218758 فیلتر نتایج به سال:
Enhanced resistance against experimental tuberculosis was acquired by albino mice after peritoneal vaccination with living BCG. Prolongation of life was used as a measure of resistance against massive intravenous challenge infection. The average degree of prolongation of life was found to be directly related to the size of the vaccinating dose. The ultimate numbers of BCG bacilli recovered from...
This paper describes the control, epidemiological, pathological, and molecular aspects of an outbreak of meningoencephalitis in calves due to bovine herpesvirus 5 at a feedlot with 540 animals in São Paulo State, Brazil. The introduction of new animals and contact between the resident animals and the introduced ones were most likely responsible for virus transmission. Bovine herpesvirus 1 vacci...
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