In the last three months, one person died and 12 others were diagnosed with the A (H1N1) virus in the State, according to a release from the Department of Health and Family Welfare here on Monday.

The infection was found to have affected people in Chennai, Coimbatore and Tiruppur. The only death reported is that of a 72-year-old farmer who had succumbed to the infection due to old age and delay in seeking treatment.