Diseases, Conditions, Syndromes

US health authorities in bird flu vaccine effort

US health authorities are liaising with domestic and international partners to develop a vaccine for the H7N9 bird flu virus that has killed five people in China.

Diseases, Conditions, Syndromes

China begins poultry cull after bird flu found

Authorities in Shanghai began the mass slaughter of poultry at a market after the H7N9 bird flu virus, which has killed five people in China, was detected there, state media said Friday.