Probable Hospital Cluster of H7N9 Influenza Infection

This report shows evidence for nosocomial transmission of H7N9 influenza from a patient to two physicians who provided care. To the Editor: Avian influenza A (H7N9) virus emerged in eastern China in the spring of 2013, 1 with 698 cases and 281 deaths reported as of January 10, 2016. 2 Human H7N9 infections appear to be acquired through zoonotic transmission, although clusters of human-to-human household transmission have occurred. 3 , 4 We report here a hospital cluster of H7N9 infections that took place from January to February 2015. This study was approved by the ethics committee at Shantou University Medical College. A 28-year-old man (index patient), with repeated exposure to live poultry, presented with respiratory infection and was admitted to the respiratory department, . . .