Kolkata, Aug 3 (IANS) The swine flu death toll in West Bengal rose to four with a teenager dying due to the Influenza A HINI infection, while two more people tested positive for the disease, an official said Tuesday.

A 13-year-old boy died Monday night at a private hospital where he was admitted with multi-organ disorder.

‘His throat swab report confirmed Influenza A HIN1 July 28. He died last (Monday) night,’ Asit Biswas, the nodal officer for swine flu, told IANS.

Two more people, meanwhile, tested positive for the flu, taking the total number of cases in the state this year to 104, a state health department official said.

‘Two confirmed cases of swine flu were reported today (Tuesday). The total confirmed cases of H1N1 infection is now 104 in the state,’ a statement said.

Three people died of swine flu last month in West Bengal.

In 2009, a total of 135 people were affected by swine flu in the state but there were no casualties.