Vietnam's Ministry of Health said that the country confirmed one more influenza A/H1N1 case, bringing the total number of flu patients to 26, local newspaper the New Hanoi reported Tuesday.

The patient, a 14-year-old boy, is living in the south western province of Tien Giang. He was confirmed positive to the A/H1N1 virus after having contact with one flu patient coming back from the United States on the flight UA869 on June 5, according to the newspaper.

This is the fourth human-to-human transmission case in Vietnam, said the ministry.

Meanwhile, 13 out of 26 patients infected with the influenza virus were discharged from the hospitals. The rest are in stable conditions, according to the ministry.

The country has reported no death of the A/H1N1 virus so far.