Human and avian influenza viruses target different cells in the lower respiratory tract of humans and other mammals (News-Medical-Net) Researchers have identified which sites and cell types within the respiratory tract are targeted by human versus avian influenza viruses, providing valuable insights into the pathogenesis of these divergent diseases. [News Source]

Quarantine lifted on flu village. The local government Tuesday lifted the three-week quarantine on the bird flu-infected village of Sixian in Guangzhou's Panyu district after authorities contained the outbreak. [News Source]

Tests clear five bird flu suspects in Indonesia (Straits Times) JAKARTA - TWO tests on five people from Indonesia's North Sumatra, feared to be a new cluster of human bird flu, have cleared them of carrying the virus, a health ministry official said on Wednesday. [News Source]