Data collated by the Union Health Ministry said  as on March 15,  1,731 people have perished to the disease while the total number of affected persons across the states stood at 29,938.
    
The Union Health Ministry had on Sunday said that as on March 14, the disease has claimed the lives of 1,710 people and 29,558 have been infected by it across the country.
    
As per Health Ministry figures, in 2009, 27,236 persons were affected due to the disease while 981 deaths were registered while in 2010, the disease affected more than 20,000 people while 1,763 deaths were reported.

The death toll was highest in Gujarat where 387 people have perished to the disease while the number of affected people has reached 6,148.
    
Swine flu has killed 378 persons in Rajasthan which is another of the most affected state where 6,202 people are suffering from the disease.
    
The death toll in Maharashtra inched towards the 300-mark as 293 have died due to the contagious disease while 3,483 people are affected by the disease. In Madhya Pradesh, 239 people have perished and 1,909 are affected.

In Delhi, 11 deaths have been reported while the number of swine flu cases inched towards the 4,000-mark, as 3,998 people are affected by the disease.
    
The death toll in Telangana has increased to 72 while 51 people have died in Punjab. In Karnataka, the disease has claimed the lives of 71 people while 45 people have died in Haryana.
    
The disease has claimed the lives of 18 persons in Himanchal Pradesh, while eleven people have died in Kerala. In Tamil Nadu, 13 persons have died due to the disease.

The death toll in West Bengal has reached 19 while the state of Uttar Pradesh has witnessed 35 deaths. In Jammu and Kashmir, the death of one more person has taken the toll to 16.In Andhra Pradesh, 20 persons have died while the disease has also claimed the lives of 16 people in Chhattisgarh.

A study conducted by the Massachusetts Institute of Technology has said the swine flu virus in India may have mutated to a more severe and infectious strain than the earlier H1N1 strains.

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