Source: United States & Canada – South China Morning PostThe United States on Wednesday authorised the use of boosters of Pfizer’s Covid-19 vaccine for people aged over 65, as well as adults at high risk of severe disease and those in high-exposure jobs.The announcement means a significant part of the population – amounting to tens of millions of Americans – are now eligible for a third shot six months after their second.“Today’s action demonstrates that science and the currently available data continue to guide the FDA’s decision-making for Covid-19…Read More