Ranchi, Aug 6 - Jharkhand's first case of swine flu has been confirmed with a 22-year-old student testing positive for influenza A (H1N1) infection, an official said Thursday.

Gopal Kumar, who studies in Boston (Massachusetts), arrived in Jamshedpur July 23 and complained of sore throat and high fever. His throat swab samples were sent to Kolkata for test.

'The test report confirms that he has swine flu. He has been confined to his home and necessary medicines are being provided to him,' said Swaran Singh, the nodal officer to monitor swine flu in East Singhbhum district.

Till now, the samples of four people suspected to be suffering from swine flu have been sent for tests. While one is from Bokaro, three are from Jamshedpur.