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
Human rights group said in a new report that US President Joe Biden was expected to outline a pledge at the UN General Assembly to fully vaccinate 70 percent of the world's population by next September
Booster doses are currently not part of the marketing authorisation of COVID-19 vaccines and have not yet been subject to a scientific assessment by EMA in the absence of sufficient data
Pfizer, which acquired a $25 million stake in Trillium last year, will buy the remaining outstanding shares for $18.50 apiece, representing a 203.8% premium on the stock's last closing price
Pfizer has said its vaccine's efficacy drops over time, citing a study that showed 84% effectiveness from a peak of 96% four months after a second dose.