Coronavirus: Important reason why you shouldn't wear a face mask with a valve

The Centres for Disease Control and Prevention have urged people to avoid masks with valves. Photo: Getty Images/iStockphoto.

Since the coronavirus pandemic was declared back in March, the benefit of wearing a face mask has been one of the most highly debated topics. In many places around the world, face masks are currently compulsory on public transport as well as in several indoor settings, including shops and supermarkets. Face masks come in a range of forms, including surgical masks, cloth coverings and masks with valves.

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