[TRT World]Study: Risk from variants remains after first Pfizer jab – latest updates
#Pakistan News Covid-19 has killed more than 3M people and infected over 151 million others globally. Here are all the coronavirus-related developments for April 30: A health worker gets a dose of the Pfizer-BioNTech coronavirus disease (Covid-19) vaccine at a Covid-19 vaccination centre in Seoul, South Korea on March ...