As many as 81 patients have been tested positive for swine flu in Meerut including 20 Provincial Armed Constabulary (PAC) personnel, said Meerut Chief Medical Officer (CMO) Dr Rajkumar."Till now, 81 patients have tested positive for swine flu in Meerut including 20 PAC jawans. 11 PAC jawans have been discharged from the hospital while other 9 PAC jawans will be discharged after 5 days.