Nurses collect the data of people about to get tested for COVID-19 at a testing center in the capital Kigali, Rwanda, Tuesday, July 28, 2020.
Pooled testing conserves scarce testing materials.
Sema Sgaier, a Harvard assistant professor of global health, called the Rwanda approach an example of the incredible solutions in very resource-poor settings that have come out of the continent.
Some experts, and even the researchers, have noted concerns that the complexity of the approach could deter its widespread use.
I want a simple scheme,' Sigrun Smola, a molecular virologist at Saarland University Medical Center in Germany, told the journal Nature in a recent article on Rwanda's and other approaches to pooled testing.