Ask the Doctor

Covid-19 and face shields

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Each time I use the facemask, I feel like choking. This is why I prefer to use the face shield. Unfortunately, I read somewhere that face shields are not effective against the Corona virus unless they are combined with facemasks. Kindly educate me on this.

Abigael (by SMS)

 

Most scientific experts do not recommend the use of face shields alone for normal everyday activities or as a substitute for masks.  Some countries such as Switzerland have even banned the use of face shields without face masks. This was after an investigation into an outbreak of Covid-19 at a hotel in the country revealed that all those who were infected had been wearing plastic face shields, while those who avoided infection were in masks. In view of this, it is now generally agreed that perhaps the most effective way to use a face shield is to wear a mask underneath it.

 

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