US to buy half a billion Pfizer COVID-19 vaccine dose to share globally
US will buy 500 million more doses of Pfizer Covid-19 vaccine to share through the global COVAX alliance for donation. Around 92 lower-income countries and African Union over the next year will benefit from same. Around 200 million doses will help in fully protecting 100 million people. The vaccines would be shared this year, with the balance to be donated in the first half of 2022.