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Sierra Leone races to drop maternal and child deaths to zero

226 days into the 300 day campaign, preliminary mortality data are promising. More than 10,000 zero-dose children have been caught up.

Why do some children become seriously ill with COVID-19? The answer may lie in their genes

Many of the genes our study identified were involved with immune responses.

Ancient virus hunters: how we discovered sheeppox DNA hidden in medieval gospels

DNA can survive in parchment for well over a thousand years.