Indian vaccines offer lot of hope, due to various factors including a good safety signal, display of immunogenicity, and capability of using the current storage infrastructure, said AIIMS Director Randeep Guleria in an exclusive interview with IANS.

Recently, drug company Pfizer announced that its vaccine candidate for Covid-19 is more than 90 per cent effective at preventing infection. This was welcomed as a major step in the fight against the virus, which has unleashed havoc on the global economy.