The three reported deaths were from Yangon General Hospital and two other hospitals in North Okkalapa and Insein townships, respectively.
"A total of eight cases of such virus infections have been detected nationwide after testing specimen as of June 14 and those three deaths were included in the list," he added.
Being similar to the seasonal flu, the symptoms of H1N1 include fever, cough, sore throat, runny nose, body aches, headaches, chills as well as vomiting and diarrhea.
The symptoms come within one to five days which is called incubation period after exposure to the infected person as the virus is spread through airborne droplets from sneezing and coughing or by hands which are contaminated with secretions, the ministry's release said.
