Associated Press A COVID-19 patient has his temperature taken, at the Farcha provincial hospital in N'Djamena, Chad, Friday April 30, 2021. While the world's wealthier nations have stockpiled coronavirus vaccines for their citizens, many poorer countries are scrambling to secure enough doses, and some, like Chad, have yet to receive any. Previous Next Monday, May 10, 2021 1:00 am Health staff across Africa seek vaccine See imbalance as nations stockpile KRISTA LARSON | Associated Press N'DJAMENA, Chad – At the small hospital where Dr. Oumaima Djarma works in Chad's capital, there are no debates over which coronavirus vaccine is the best. There are simply no vaccines at all.