for example, yaros arami. i was pure for you and the sun. it flowers in the spirit and in my soul, i love the soil of your envelope, o country of hope . i kiss you and the sun blooms in my soul and in my soul, i love the soil on your envelope , the country of hope, iran. good morning , stay with us. greetings from the reporter today until the next hour of the 10th national congress. and the third international epidemiology congress of iran is going to be opened. dr. qabad moradi, scientific secretary of the epidemiological society and member of the scientific committee of this congress , is our guest to discuss the details of this program . hello, good morning , welcome. to all dear viewers, thank you for your invitation , i am glad to be at your service. peace be upon you . in today's program, the 10th congress and the 3rd national congress and the 3rd international congress will be held from today to friday for 3 days. the 10th national congress of epidemiology of iran will be held by iran medical university