In Chandigarh, three persons have died of swine flu on Tuesday, taking the toll due to the H1N1 virus to 37 in the union territory so far.<br/><br/>Nodal Officer for Swine flu in Chandigarh, Mr. H C Gera, said that two of the victims died in PGI, while one succumbed to the disease in the Government Medical College hospital. The number of swine flu cases has increased in the last couple of days and about ten positive cases are reported daily.