vaccines, which are in their final trial stage in India.Dr Randeep Guleria is hopeful of a coronavirus vaccine by the end of this month or early next month. "We should get emergency use authorisation from Indian regulatory authorities to start giving vaccine to public," Dr Randeep Guleria added.Also read: India’s quest to fix its payments puzzleThe AIIMS Director said that there is good data available that the vaccines are very safe. "Safety and efficacy of vaccine are not compromised at all.