Bhopal, Aug 11 - Samples of nine people, suspected to be infected with swine flu, have been sent to Delhi for testing, health department officials said Tuesday.

The samples include those from two students studying in Pune and one studying in Delhi. The three had voluntarily came to the Hamidia Hospital here - the designated swine flu nodal centre - saying they were in contact with affected people. All the three have been advised to stay away from other people till the test reports are received.

Though not a single case of swine flu has been reported in the state so far, the government has announced health and medical education departments will now jointly work towards checking the disease.