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Years after the coronavirus pandemic spread across the globe, some leading experts have advised people to wear face coverings once again to stop the spread.
The recommendation comes amid rising Covid cases across the UK, with health officials anticipating a surge in viral infections throughout the winter months.
Immunologists in Switzerland have stressed that wearing a face mask remains an effective way to reduce the transmission of viruses such as Covid.
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And while the guidance is primarily aimed at those most at risk of developing severe illness from viral infections, including elderly people or those with weakened immune systems, experts have indicated that people who ar