Diseases, Conditions, Syndromes

COVID-19 is no longer an official emergency: Is that the right call?

The COVID-19 emergency is over. After three years, the World Health Organization (WHO) has said that the virus "no longer constitutes a public health emergency of international concern." Many countries have decided the same.

Diseases, Conditions, Syndromes

Q&A: No, that new study doesn't show that masks are useless

Earlier this year, a review of research on masks by the Cochrane Library prompted headlines declaring that community masking has little impact on the spread of COVID-19. We asked Prof. Jason Abaluck, who co-authored a landmark ...

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A mask is an article normally worn on the face, typically for protection, disguise, performance or entertainment. Masks have been used since antiquity for both ceremonial and practical purposes. They are usually worn on the face, although they may also be positioned for effect elsewhere on the wearer's body, so in parts of Australia giant totem masks cover the body, whilst Inuit women use finger masks during storytelling and dancing.

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