نتایج جستجو برای: vaccinal strain
تعداد نتایج: 218758 فیلتر نتایج به سال:
Sequencing and phylogenetic analysis based on the nucleotide sequence of the gene encoding VP2 protein was carried out in order to characterize the agent of two outbreaks of infectious bursal disease in layer flocks in the state of Minas Gerais in 2004. The results indicate the outbreaks could be related to the vaccinal virus.
Adverse vaccinal events, or perceived vaccine-associated adverse events, are relatively uncommon in companion animal practice. These events, however, often evoke great concern to owners and veterinarians. Because of the low incidence of these events and the large number of potential antigenic causes, exact mechanisms are often difficult to elucidate. This article reviews current evidence relate...
The incidence of encephalomyelitis in association with acute specific fevers and prophylactic inoculations is discussed. Available statistics are inaccurate, but these conditions are of considerable importance -it is likely that there are about 400 cases of measles encephalitis in England and Wales in an epidemic year. The pathology of these neurological complications is discussed and emphasis ...
Background : Since vaccinations are an effective prevention tool for maintaining the health of society, the monitoring of immunization coverage allows us to identify areas where disease outbreaks are likely to occur, and possibly assist us in predicting future outbreaks. The aim of this study is the investigation of the coverage achieved for compulsory (diphtheria, tetanus, polio, hepatitis B,)...
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