Although there is no vaccine to fight the virus so far, the center said the swine flu was "preventable, controllable, and treatable."

On Saturday, the General Administration of Quality Supervision, Inspection and Quarantine issued an emergency notice requiring people to report flu-like symptoms at the point of entry when coming from the deadly swine flu affected places.

People who developed flu-like symptoms after returning from the disease affected regions within two weeks should also report to the local entry-exit inspection and quarantine authorities.

These people reporting flu-like symptoms must be scrutinized and the those who have been infected or are suspected to be infected by the virus should be isolated and treated, the administration said.

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Editor:Yang Jie