Taghrib News Agency (TNA) 2 Mar 2021 - 8:49 http://www.taghribnews.com/en/gallery/494870/1/iran-begins-clinical-test-of-second-vaccine-for-covid-19-photo -------------------------------------------------- Title : Iran begins clinical test of second vaccine for COVID-19 (photo) -------------------------------------------------- Iran's Razi Vaccine and Serum Research Institute has begun clinical test of the second vaccine for COVID-19 in Iran. Text :