Shanghai reports another human H7N9 infection case

Shanghai on Sunday reported a new case of human infection of the H7N9 avian flu.

The patient, surnamed Zhang, is a 69-year-old Shanghai citizen, the city's health and family planning commission said. He was confirmed to be infected with the virus on Saturday and is being treated at a local hospital.

So far, Shanghai has reported two human H7N9 cases this winter.