Infectious Diseases 2006

Infectious Diseases 2006

Vietnam: first avian influenza outbreaks in 2006

20 December, 2006

The disease broke out in Ca Mau's Tran Van Thoi district on Dec.6, killing 490 chickens and 2,033 ducks, and stroke Bac Lieu's Hoa Binh district on Dec. 7, killing 3,550 out of 4,450 ducks raised by five local households.
Recent tests show that the affected poultry were infected with avian influenza virus H5N1
The risk of avian influenza spreading in the southern Mekong Delta is very high because local people have thrown dead fowls in canals, which could have distributed viruses elsewhere. Moreover, ongoing cold weather is favorable for their development and spread.
Although the two-stage vaccination among chickens and ducks nationwide in 2006 has been completed, the risk is still high because many flocks of poultry, mainly ducks, are hatched by local people despite a national ban on waterfowl hatching.