SUKKUR - Medical experts have strongly advised mandatory screening of couples to identify thalassemia carriers followed by genetic counseling and prenatal diagnosis so as to reduce number of children born with the ailment. Speaking at a session arranged to launch thalassemia screening of medical students and doctors, under the aegis of Ghulam Muhammad Mahar Medical College Sukkur, they sought massive public awareness to control disease. Principal Mahar Medical College, Dr Zulifqar Soomro said sensitization at a mass level is required to control the considerably high incidence of thalassemia in the country.