India, Oct. 19 -- With several promising experimental coronavirus disease (Covid-19) vaccines likely to be available by early next year, India has begun preparing to immunise 200-250 million people by July 2021.

"In the next few months at the most we should have a vaccine and in the next six months we should be in the process of delivering the vaccine to the people of India," said Union health minister Dr Harsh Vardhan in his comments at the Annual General Meeting of Indian Red Cross Society (IRCS) and St. John's Ambulance last week.

Most of the potential Covid-19 vaccines will have to be given in two doses to offer protection against infection or reduction in disease severity, which would mean that 400-500 million jabs of the vaccine w...