The key to rapid antigen testing is to test early in the course of COVID-19 infection, ideally several times 24 hours apart.
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South Africa is reporting a spike in COVID-19 cases.
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by Harsha Somaroo, University of the Witwatersrand
Gauteng is the smallest of South...
World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus. FABRICE COFFRINI / POOL
by Ed Feil, University of Bath
The World Health Organization (WHO) has announced that the...