The Chinese Ministry of Health has confirmed on Aug 8 that the country's first human case of H5N1 bird flu occurred two years earlier than previously thought, in November 2003. A letter published by eight Chinese scientists on June 22 in the New England Journal of Medicine said that the bird flu virus had been isolated in a 24-year-old man who died in Beijing in 2003. The man, surnamed Shi, became ill with pneumonia and respiratory disease in November 2003 and died four days after being hospitalized. China was then in the aftermath of severe acute respiratory syndrome (SARS), and...