| Vietnam: Mass Vaccination Campaigns Fail to Disrupt Transmission of HPAI H5N1 Virus |
Epidemiology & Infection, Monday 30 July 2012The domestic poultry population in Vietnam has been vaccinated against highly pathogenic avian influenza (HPAI) H5N1 since 2005. Since then, outbreaks have continued to occur without a clear understanding of the mechanisms involved. |