The West Bengal Chief Minister Ms. Mamta Banerjee has urged that all political parties work unitedly to fight against spread of Dengue . Talking to Newsmen in Kolkata this afternoon Ms. Mamta Banerjee said that this is not the proper time of creating political differences to come back to disease. Admitting the cases of dengue affected people have gone up this time she said that there is no reason of panic for it and the situation is totally under control. The Chief Minister assured that the government has taken all necessary steps to contain the spread of the disease. Ms. Mamta Banerjee appealed the private nursing home authorities to treat the dengue affected people with human approach and not for any commercial gain. AIR correspondent reports that 3 persons died of dengue and around 700 have been affected by the disease so far.