A team of microbiologists led by Prof Chen Hualan of the Harbin Veterinary Research Institute investigated the origins of a new influenza A (H7N9) virus by testing samples collected from live poultry markets and poultry farms located in Shanghai and Anhui Province, China. Image of the H7N9 virus (Cynthia S. Goldsmith / Thomas Rowe) The H7N9 influenza virus was isolated from humans in China in March, 2013. A total of 109 laboratory-confirmed cases...
