By 11.00am of June 11, a total of 22 cases of influenza A/H1N1 were confirmed in Ho Chi Minh City , southern Dong Nai province and Hanoi, Minister of Health Nguyen Quoc Trieu has said.

Of the total, five patients have recovered and been discharged from hospital.

The same day, Minister Trieu inspected treatment activities at the Institute of Infectious and Tropical Diseases where Hanoi ’s first infected case is being hospitalised.

The 27-year-old man on June 10 tested positive for the H1N1 virus after travelling in the US for 11 days. All his family members have tested negative to the virus./.