NEW DELHI : Serum Institute of India’s phase 2 and 3 bridging study of 1,600 participants for the covid-19 vaccine Covovax has started at one of the trial sites in Pune, with at least one more site expected to begin screening as early as Tuesday, two people aware of the development said, on condition of anonymity.“The trials have started at a hospital in Pune on Thursday.
More will start enrolling soon," one of the sources said.Another clinical trial site Hamdard Institute of Medical Sciences and Research at New Delhi will begin screening of some participants on Tuesday, another source said.A spokesperson for Serum Institute decline to comment on the commencement of Covovax trials.Covovax is Serum Institute’s version of the covid-19 vaccine.