The 25-year-old woman, who lives in Phu Ninh commune, Soc Son district, was admitted to Bac Thang Long hospital on March 7 with pneumonia symptoms such as high temperatures, headache and breathing difficulties.

The woman was treated with anti-virus drugs and antibiotics, but was taken to Bach Mai hospital on March 10 due to her declining health.

One day later, the National Institute for Hygiene and Epidemiology confirmed that the patient tested positive for the lethal strain of the A/H5N1 virus.

She is currently using respirator at Bach Mai hospital’s intensive care unit.