A private school in Bangkok has suspended all classes for one week,after a grsde-6 schoolboy and thirteen of his classmates were tested positive for the H1N1 influenza.The pupil developed flu symptoms and had no record of traveling abroad, unlike other flu patients who had traveled to UnitedStates before showing signs of. The virus. In Papaya,21 nightclub workers were also tested positive,after two Taiwanese tourists developed flu symptoms upon their return to Taiwan from the Thai beach resort town.The World Health Organization has announced the first flu pandemic in 40 years, after a sharp increase in reported cases of infection worldwide. Australia alone has reported more than 1,200 new cases of infection over the past week.