DELHI, Jan 24: Indian drugmaker Bharat Biotech’s coronavirus vaccine, which has been authorized for use in the country, proved safe and produced an immune response in a small group of adults aged 18 to 55, according to a study published in The Lancet medical journal.

MUMBAI, Dec 17: An Indian government-backed COVID-19 vaccine showed it was safe and triggered immune responses during an ongoing early-stage trial, the company involved in the study said in a statement on Wednesday.