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ĦĦĦĦA highly contagious bird flu has hit several Asian
countries since the end of last year. China and
its neighboring countries are taking decisive measures
against the epidemic disease. As the biggest province
of China, the aim is No Birds Flu in Tibet |
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Avian influenza
Avian influenza is called "bird flu"
for short. It is a contagious disease of birds
(poultry or wild fowl), caused by A type of
avian influenza virus. The symptom has two
forms. The first causes mild respiratory and
digestive symptom with a low death rate. The
second causes severe bleeding and septicaemia
all over the body with a high death rate.
The difference lies in different subtypes
of viruses.
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