Experts have said vaccines were likely to reach the general public in the March April 2021 drugmakers have been more ambitious with their calculations, with some firms like Moderna Inc eyeing the emergency use authorisation route to launch their shots by year end.182 vaccine candidates in pre-clinical or clinical trials across the world.36 are in clinical trials and nine in final states of human trial.best part is Some Country Covid 19 Recovery Rate Growth Like India Recovery Rate approx 80% and deat ratio 1% this good news.