prevention, try to avoid farm in the affected area

Also avoid visitiing the market place where poultry market is situated.

The H5N1 strain has killed 37 Vietnamese, 12 Thais and four Cambodians since it swept across large parts of Asia in late 2003.
The World Health Organisation said last week the spate of human bird flu cases in Vietnam this year suggests the deadly virus may be mutating in ways that are making it more capable of being passed between humans.