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Permissive vaccines and viral virulence

A permissive vaccine prevents disease in the immunized host, but does not block virus infection. Would a permissive vaccine lead to the emergence of more virulent viruses? This hypothesis is based on the notion that viruses which kill their hosts too quickly are not efficiently transmitted, and are therefore removed by selection. However a vaccine …

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TWiV 116: Cocaine, colonies, and chickens

Hosts: Vincent Racaniello, Alan Dove, and Rich Condit On episode #116 of the podcast This Week in Virology, Vincent, Dickson, Alan, and Rich review an adenovirus-based vaccine strategy against drug addiction, a field trial of RNAi to prevent Israeli acute paralysis virus infection in honeybees, and suppression of avian influenza transmission in transgenic chickens. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV116.mp3″] Click the …

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