Vietnamese scientists seek bird flu vaccine
Scientists in Vietnam are trying to develop a vaccine for poultry, to fight a new strain of bird flu.
The disease is spreading quickly among ducks and chickens.
So far there have been no human infections.
Al Jazeera's Wayne Hay reports from Hanoi.
The disease is spreading quickly among ducks and chickens.
So far there have been no human infections.
Al Jazeera's Wayne Hay reports from Hanoi.