Chandigarh, Aug 30 - Three new swine flu cases -- an NRI and two teenage boys -- have been reported here, taking the number of people infected with the H1N1 virus in this city to 15, health officials said here Sunday.

A 14-year-old boy, a resident of neighbouring Panchkula town who returned from Hong Kong a few days back, is one of the patients. He had contacted doctors of the government hospital here in Sector 32 Thursday with complaints of a runny nose and high fever.

The second is a 28-year-old resident of Britain who had come to Chandigarh to meet her relatives. Another 14-year-old boy, whose father had returned from Mumbai recently, has also caught the virus, the official said.

'We have quarantined all the patients at their homes. We have diagnosed them properly and their condition is stable.