Combating Covid-19: Efforts on to develop vaccine in 1 year, will cost USD 2-3 billion, says Prof Raghavan

India is making efforts to develop vaccine to treat COVID-19 patients, which will cost USD 2-3 billion, said Prof K Vijay Raghavan, Principal Scientific Advisor (PSA) to the Government of India, on Thursday. Prof Raghavan, who was speaking at a press conference, said the vaccine is given to the normal population, not the sick people. "Hence it is necessary that it is properly tested and its quality and safety are ensured."