India, Jan. 12 -- Closing the gaps in coverage of HIV testing in sub-Saharan Africa will require, among other things, a massive investment in health systems in west and central Africa

The introduction of antiretroviral drugs has resulted in a remarkable decline in mother-to-child transmission of HIV. New infections among children declined by 52% worldwide and 55% in sub-Saharan Africa between 2010 and 2019.

This is why universal screening of all pregnant women for HIV is so important. If all pregnant women were screened and treated, the risk of mother-to-child transmission could be reduced to less than 5% .

Fewer than 5,000 children would be infected globally. But despite the wide availability of testing and treatment, 150,000 children w...