In India the novel H1N1 virus infection has been reported from all over the country. The most affected states are Maharshtra, Delhi, Tamil Nadu, Karnataka, Andhra Pradesh, Haryana, Kerala, Uttar Pradesh and Gujarat. As on 21 October 2009, a total of 68,919 samples from clinically suspected persons have been tested for infl uenza A H1N1 in government laboratories and a few private laboratories across the country and 13,330 (18.9%) of them have been found positive with 427 deaths [8] .