Limited COVID-19 testing? Researchers in Rwanda have an idea | World News


KIGALI, Rwanda (AP) — Like many countries, Rwanda is finding it impossible to test each of its citizens for the coronavirus amid shortages of supplies. But researchers there have created an approach that’s drawing attention beyond the African continent.

They are using an algorithm to refine the process of pooled testing, which tests batches of samples from groups of people and then tests each person individually only if a certain batch comes back positive for COVID-19. Pooled testing conserves scarce testing materials.

Rwanda’s mathematical approach,…



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