BBCNEWS BBC News December 21, 2021 12:55:00
Stigma and scientists don't want to add to that. they point out that there are many other reasons why people's immune systems can be weakened, including malnutrition, cancer treatment and diabetes. there is also concern here that while africa may be home to the world's biggest hiv epidemic, the continent should not be seen as a focal point for a new covert —— covid variance. they come from four different continents _ they come from four different continents. this— they come from four different continents. this is— they come from four different continents. this is to - they come from fo...