The African Union on Wednesday announced that it has purchased 270 million doses of COVID-19 vaccines for the continent from Pfizer and AstraZeneca through the Serum Institute of India, and from Johnson & Johnson. At least 50 million of the doses are to be available by April to June and the rest are to be delivered before the end of the year, said the African Union chairman, South African President Cyril Ramaphosa. “From the onset of this crisis, our focus as a continent has been on collaboration and collective effort. We have held steadfastly to the principle that no country should be