In the North four patients have been . identified for H1N1 influenza Further, three patients suspected to be infected with H1N1 influenza were admitted to the hospital and their blood samples had been subjected to laboratory test. In Vanni three children were identified as positive to H1N1 influenza . They were kept in a separate ward and treated in Killinochchi hospital. Yesterday 4 patients were suspected to be infected with H1N1 influenza were admitted to Killinochchi hospital. Laboratory test has proved positive in respect of one patient and medical report of other three is yet to be received.