A Vietnamese(越南的 ) man has just died of bird flu. So far, 19 people_______(die) because of the disease. A team of experts from Hong Kong has arrived in Vietnam for______(meet) with local health officials and the WHO( 世界卫生组织), trying to find out how ________(stop) the disease.
The experts said 70% of people who have had bird flu in Asia have died. The number is about twice as that in 1997 in Hong Kong. One expert said the bird flu ______(seem) to be much more serious than before, and many cities ______(affect感染). He also said that it was still not______(know) why this disease was so serious and why only patients in two countries had died.
He said that in 1997, the bird flu _______(appear) in Hong Kong, only 6 people were killed. This time, the disease_________ (find) in 11 countries.
Japan has stopped importing( 进口 )chicken from the US because bird flu was found in Delaware. Japan was trying _______(confirm 证实 )the disease in Delaware. If the disease is not harmful to people, it ________( import进口) chicken from the US.