COVID-19

COVID-19 VACCINE FAQ

Vaccines save millions of lives each year. Vaccines work by training and preparing the body’s natural defenses – the immune system – to recognise and fight off the viruses and bacteria they target. After vaccination, if the body is later exposed to those disease-causing germs, the body is immediately ready to destroy them, preventing illness. …

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A study on COVID-19 mortality in the second wave

A team of scientists at The National Institute for Communicable Diseases (NICD) released a *preprint of a paper on March 9th, 2021 entitled “Increased mortality among individuals hospitalised with COVID-19 during the second wave in South Africa.” When a second wave of infections swept across the globe, most countries reported a rise in cases, but …

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Can I be re-infected with the new variant if I’ve had COVID-19?

Can you be re-infected with the new variant if you have already had COVID-19 from one of the older variants? People who have recovered from SARS-CoV-2 infection are usually protected from being infected a second time (called re-infection). This is because they develop neutralizing antibodies that remain in their blood for at least 5-6 months, …

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