Follow us on FROM TOI PRINT EDITION ‘There’s nothing like herd immunity at the moment … we must take our vaccines, continue with Covid protocols’ March 2, 2021, 7:57 PM IST Renu Swarup , secretary, department of biotechnology, ministry of science and technology, and chairperson of Biotechnology Industry Research Assistance Council (BIRAC), spoke to Bappa Majumdar about the current state of the battle against Covid-19: We are witnessing some vaccine hesitancy. How do we get everyone to participate? Vaccine hesitancy is not a new phenomenon and is not happening for the first time. There are still uncertainties around how many do we need to vaccinate, to reach a collective safety mark. But one thing’s certain, at the stage of battle we are in, vaccination is absolutely our best bet to beat the virus. It must be a citizen driven campaign.