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Articles on COVID-19

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September 11, 2021 marks the 18 month anniversary of the WHO declaring the COVID-19 outbreak a pandemic. summerphotos/Stock via Getty Images Plus

18 months of the COVID-19 pandemic – a retrospective in 7 charts

A lot has happened since the WHO declared the coronavirus outbreak a pandemic. A portrait in data highlights trends in everything from case counts, to research publications, to variant spread.
The huge number of active coronavirus infections offers plenty of opportunity for mutations to occur and new variants to arise. Eoneren/E+ via Getty Images

Massive numbers of new COVID–19 infections, not vaccines, are the main driver of new coronavirus variants

When the coronavirus copies itself, there is a chance its RNA will mutate. But new variants must jump from one host to another, and the more infections there are, the better chance this will happen.
SARS-CoV-2 variants have also played an integral part in driving the course of the pandemic. Shutterstock

COVID-19: It’s time to look at the finer details of South Africa’s pandemic picture

Communities with high vaccine coverage rates are likely to see lower case numbers, hospitalisations and deaths related to COVID-19 compared to those with poor vaccine coverage.

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