Coronavirus vaccine news: The government said on Sunday that Pune’s Serum Institute of India and Hyderabad’s Bharat Biotech will soon begin the late-stage clinical trials of the nasal Covid-19 vaccine in India.br br Dr. Reddy's Laboratories Ltd. and Russian Direct Investment Fund have received approval from the Drug Control General of India (DCGI) to conduct phase 23 human clinical trial for Sputnik V vaccine in India.