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What causes COVID-19?

COVID-19 is caused by infection with the novel coronavirus (SARS-CoV-2). It was identified in Wuhan City in China in December 2019. Like other viruses, SARS-CoV-2 changes, or ‘mutates’, over time to create new versions of the virus, known as ‘variants’.

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About this article

Author: Dr Idan Ben-Barak PhD, MSc, BSc (Med)
First answered: 28 Oct 2014
Last reviewed: 07 Mar 2023
Rating: 4.5 out of 5
Votes: 1056 (Click smiley face below to rate)
Category: SARS

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