Coronavirus masks: Where to buy face coverings (and why we need them)

Wearing a mask or other face covering in shops, supermarkets and public transport has become commonplace. With the UK heading back into lockdown and other countries experiencing a rejuvenated "second wave" of the virus, many people have become lax or fed up of the masks and social distancing procedures. 

But remaining vigilant is important, and here's why: we break down the science behind wearing a mask, how it limits the spread of coronavirus, and the best places to buy a new reusable face covering.

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Masks aren't really there to protect yourself: rather, they're very effective at preventing the spread of coronavirus when being worn by an infected individual, which is why the infection rate drops so rapidly when everyone complies and masks up.

Coronavirus is spread through respiratory droplets, which are projected outwards through speaking, coughing or sneezing. An experiment from the New England Journal of Medicine sought to check how many droplets are actually spread via speech, both with and without a mask. 

The researchers used laser-mapping technology to highlight the spread of droplets. In the video below, you see the bright green splatters of droplets spread during normal speaking, then you see the same phrase being spoken while a mask. 

Note how fewer droplets there are when the mask is worn. When both participants in a conversation are wearing masks, the chance of infection is greatly reduced because droplets aren't spreading from either participant. Wouldn't you want anyone chatting to you to prevent potentially harmful droplets from landing on you?

One study published in PNAS: The Proceedings of the National Academy of Sciences of the USA showed mask-wearing alone significantly lowered the number of infections by over 78,000 in Italy. The evidence is clear: masks help reduce the rate of infection. 

Until a coronavirus vaccine is readily available, it's time to mask up.

However, although masks are now compulsory wearing in shops and supermarkets in the UK, they're not mandatory in pubs and gyms, where the risk of infection is arguably greater. The science behind this is unclear.

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Where to find masks (US):

• Get your reusable mask at Amazon
• Reusuable mask at Target
• PKG mask with travel case at Best Buy

Where to find masks (UK)

• Shop face coverings at Boots
• Masks at Amazon
• Customise your mask at Vistaprint