Assistant Professor Hussain Nasser Al-Salman, a lecturer at the College of Pharmacy at the University of Basrah , participated in a workshop organized by the Indian University of Mandsor about the Developmental processes of the vaccine, with the participation of researchers and specialists.  The workshop included clarification of the types of vaccines and the countries that produce them, as there are more than 200 candidate vaccines against Covid-19 disease under development in December 2021, and among the vaccines, 52 candidate vaccines are used, hopefully in human trials, and there are several vaccines that go through the first stage and the second stage and will enter  The third phase in the coming months of vaccine development processes and is currently in clinical trials.