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Articles sur SARS-CoV-2

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Exercise has many benefits, including boosting defenses against complications that occur during SARS-CoV-2 infections. Julien McRoberts / Getty Images

Exercise may help reduce risk of deadly COVID-19 complication: ARDS

The health benefits of exercise for our mind and body are well documented. But did you know that exercise could lower the risks of the most dangerous COVID-19 complication?
A black swan event must meet three criteria: it must be an outlier, must have a major impact and must be declared predictable in hindsight. (Buiobuione/Wikimedia)

Coronavirus is significant, but is it a true black swan event?

The danger of treating COVID-19 as an astronomically rare and improbable event is that we will treat it as such and fail to prepare for the next pandemic. And there will be another pandemic.
What would Darwin consider the best adaptation to protect against the coronavirus? rolbos / Getty Images

What does ‘survival of the fittest’ mean in the coronavirus pandemic? Look to the immune system

Who is most likely to survive an infection of the new coronavirus? Two immunologists explain that it is those who mount exactly the right immune response – not too weak, not too strong.
Wildlife markets, where live animals are sold and slaughtered, are an integral part of the global wildlife trade. GettyImages

What is the wildlife trade? And what are the answers to managing it?

Ecological systems are at breaking point and a global economic collapse is under way. It's time to invest in risk mitigation to prevent another COVID-type disaster.
A woman with diabetes monitors her glycemia on the eighth day of a strict lockdown in France aimed at curbing the spread of COVID-19. FRANCK FIFE/AFP via Getty Images

Blood sugar levels may influence vulnerability to coronavirus, and controlling them through conventional means might be protective

What does high blood sugar have to do with vulnerability to COVID-19? And is there a role for the controversial drug hydroxychloroquine in lowering blood sugar in COVID-19 patients?
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Can coronavirus spread 4 metres?

A recent study suggested the coronavirus could spread up to four metres. But the evidence isn't strong enough to suggest we should change social distancing advice from 1.5 metres.
South Africans practise social distancing while they queue outside a supermarket in Hillbrow, Johannesburg during the country’s lockdown. Photo by Marco Longari/AFP via Getty Images

South Africa needs a post-lockdown strategy that emulates South Korea

South Africa cannot afford to embark on a strategy of extended periodic lockdowns. It needs to shift to mass testing and contact tracing.
Homemade masks will not filter the SARS-CoV-2 virus, but may prevent transmission of droplets and spray between individuals. Nikola Stojadinovic/Getty Images

Making masks at home – what you need to know about how to reduce the transmission of coronavirus

At-home mask makers should carefully consider fit and fabric variables when designing face coverings to help prevent transmission of SARS-CoV-2.

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