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Vaccinations play an important role in the control of Aujeszky’s disease (AD) because they interrupt the chain of piglet morbidity and mortality as well as decreasing the spread of Herpesvirus suis type 1 (SHV-1). Conventional vaccines, however, preclude serological differentiation between vaccinated and SHV-1 infected pigs. Such differentiation has only become possible after the creation of deleted...
The article discusses the essence, purposes, methods of realizing and benefits of applying DIVA (Differentiating Infected from Vaccinated Animals) strategy for the eradication of infectious diseases of animals. Various types of marker vaccines and compatible serological tests suitable for use in this strategy are characterized. The article presents possibilities, principles, results and perspectives...
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