Epidemiological and clinical characteristics and risk factors for death of patients with avian influenza A H7N9 virus infection from Jiangsu Province, Eastern China.

Background: A novel avian influenza A (H7N9) virus has caused great morbidity as well as mortality since its emergence in Eastern China in February 2013. However, the possible risk factors for death are not yet fully known.

Methods And Findings: Patients with H7N9 virus infection between March 1 and August 14, 2013 in Jiangsu province were enrolled.