搜尋結果
US bird flu outbreak spreads to chickens, cattle, raises concerns over human infections
Reuters· 15 小時前The outbreak of H5N1 bird flu virus has spread to dairy cows for the first time in the United ...
Hong Kong residents urged to get influenza vaccines after death of a third child
South China Morning Post· 21 小時前The Centre for Health Protection has warned that the dominating flu virus strain might change ...