https://srt1720activator.com/t....he-outcome-involving
Here, we use transmission experiments concerning Marek disease virus (MDV) in chickens to exhibit that vaccination with a leaky vaccine substantially reduces viral load in both vaccinated individuals and unvaccinated contact individuals they infect. Consequently, contact wild birds are less likely to develop condition symptoms or perish, show less severe signs, and shed less infectious virus themselves, when infected by vaccinated wild birds. These outcomes emphasize that even partial vaccination with a leak
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