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India's first covid vaccine: No side effects seen in trials of Covaxin so far
COVID-19 vaccine, officials said."The Phase I of the trial is still continuing as we are planning for the start of the Phase II trial shortly," Dr E Venkata Rao, Principal Investigator of the trial at Institute of Medical Sciences and SUM Hospital, faculty of medical sciences, said.The blood samples collected from the volunteers who received the vaccine were to ascertain how effective the vaccine was in terms of the level of antibodies developed, Dr Rao said, adding that there had been 'no side effects' in the first phase trial of the vaccine.