The mercury rising, yet the H1N1 influenza A virus seems to defy its survival limitations, worrying the health ministry and doctors.br br This year, swine flu deaths have more than doubled compared to the previous year taking the toll to 624. A total of 9,311 people got infected, government data show. In February alone over 300 died across the country. In 2014, 218 swine flu deaths were reported from a total of 937 cases, pan-India.