According to Nguyen Huy Nga, the Head of the Health Ministry’s Department for Preventive Health and Environment, a woman 6-months pregnant in Can Kiem commune, Thach That district, Hanoi on October 15 showed signs of a high fever, coughing and sore throat.

On October 20, the patient was taken to the National Institute of Infectious and Tropical Diseases and tested positive for the A/H1N1 flu virus. One day later, she died.