Avian influenza still present in Vietnam despite vaccine

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Avian influenza continues to plague unvaccinated backyard flocks. 

Despite having an avian flu vaccine since 2012, disease outbreaks are still happening in Vietnam writes HA THU. In July, the country reported a new outbreak of H5N1 in a household flock in Tra Vinh province that killed 200 of its 1000 chickens and 40 ducks. The surviving birds were destroyed to cur...

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