Pune, Aug 12 - A Maharashtra schoolboy succumbed to swine flu just hours after three others in the state died of the same disease Wednesday morning, officials said. With these deaths, the toll due to the viral infection has risen to 11 in the state and 15 in the country.

Babu Genu Kuland died in the Sassoon Hospital here at about 11 a.m. The resident of Pimpri town, near Pune, was hospitalised three days ago in serious condition, according to Pune Minicipal Corporation (Health Department) chief S.R. Pardeshi.

Another Pimpri resident, Sanjay Mistry, 35, died in Sassoon Hospital early Wednesday. He was hospitalised Sunday in a critical condition and put on a ventilator, according to an official of the State Swine Flu Control Room.

Barely hours after Mistry succumbed to the influenza A (H1N1) infection, Shravani Deshpande, 29, died of the same disease.