Maharashtra sees 3,585 swine flu deaths since Jan 1; Pune, Kolhapur lead
Swine flu is a human respiratory infection caused by an influenza strain that was first noticed in pigs.

Swine flu is a human respiratory infection caused by an influenza strain that was first noticed in pigs.
The symptoms include fever, cough, sore throat, chills, weakness and body aches, with children, pregnant women and elderly being at higher risk of contracting the ailment.
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