Thai Public Health Ministry announced on Tuesday that another Thai is confirmed to be infected by the A/H1N1 influenza virus, the fifth case in the country.

The 18-year-old woman had slight fever, cough and running nose on May 28, after she returned from the United States in the previous night, according to the ministry.

There are 6 persons who used to stay close to the patient, and all of them are now under closely watch by the health officials.

Thailand confirmed its first two infection cases of the new strain of influenza on May 12 and announced another two infection cases consecutively at the previous weekend.

(Xinhua News Agency June 2, 2009)