Indonesian health official, left, wearing mask as a precaution against the swine flu, prepares to disinfect a tourist upon the arrival at Ngurah Rai International airport in Kuta, Bali, Indonesia, Monday, May 4, 2009. Indonesian government has raised its alert level for an outbreak of the H1N1 strain of influenza type A, previously known as swine flu, taking precautionary measures that include a travel warning, the preparation of hospitals and the procurement of drugs.(AP Photo/Firdia Lisnawati)
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