A boy and girl aged six, both twins, died on Monday due to dengue at a state-run hospital, taking the total number of deaths due to the disease to four this month in Tamil Nadu, health authorities said. A senior health official told PTI the total number of deaths due to H1N1 (swine flu) infection from October 1 till Monday, was four, including two from southern Tamil Nadu.

Between January 1 and October 22, 11 deaths were attributed to H1N1 and five to dengue, the official said. Director of Institute of Child Health and Hospital for Children, Dr A T Arasar Seeralar said the twins were admitted on Saturday, after five days of fever and following the manifestation of some 'dangerous' symptoms including vomiting. The children died in a gap of a few hours early this morning despite best treatment and care, he said.