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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