Meerut (U.P.), Aug 17 (ANI): The threat of swine flu continues to increase in Uttar Pradesh as three new cases of death due to swine flu were recorded in Meerut. After the death of the three women, a ruckus was created by the family members of the deceased against the hospital and authorities. The swine flu is caused by the H1N1 virus. H1N1 symptoms are similar to those produced by other influenza viruses – fever, cough, sore throat, body aches, respiratory problems and internal and external bleeding.