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Why social distancing is crucial for reducing the spread of COVID-19

26/03/2020

Why social distancing is crucial for reducing the spread of COVID-19

With SARS-CoV-2 spreading rapidly across the globe and causing more and more cases of COVID-19, governments everywhere are urging their citizens to observe social distancing. But why is this simple measure so effective in halting the spread of the virus?


One of the biggest problems with the new coronavirus is that some people are completely asymptomatic i.e. they exhibit no obvious symptoms, or have very mild symptoms only. However, these individuals can still pass the virus on to other people, further fuelling its spread.


That’s why social distancing – even for people who aren’t exhibiting symptoms – is so important.


Just look at the image that accompanies this post (Credit: Dr Robin Thompson/ University of Oxford). By staying at least 2 metres away from other people, a carrier of the virus can reduce the number of people affected in total by 33%. So instead of over 1,000 new cases after six weeks, the number is just 127.


With social distancing, the transmission of the virus is significantly reduced, which in turn reduces the burden on already overstretched healthcare services. The bottom line is that by keeping our distance from each other, we can break the chain of the virus.


In simple terms, avoid any mass gatherings, such as weddings, concerts or even a busy train/bus. You should also try and maintain at least 2 metres distance from the people around you when out in public. Finally, reduce your social activities as much as possible. It’s not going to be forever, but your cooperation now could make a monumental difference in the long run.

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