The requirement, timing and nature of Covid-19 vaccine booster doses will be based on scientific decisions, according to Dr VK Paul, Member-Health, Niti Aayog on December 22. Speaking to ANI, Dr Paul said, “The Union Health Minister has said in the parliament that the need, timing and nature of boosting will be based on scientific decisions and thinking that is what the government is engaged with.” When being asked about the severity of the emerging Covid variant, he said, “Covid-19 always comes with mild symptoms in the initial stages. We are watching any change in the pattern of the presentation of the emerging cases very carefully.”