Even as high-income countries roll out Covid-19 vaccine boosters and stockpile millions of vaccine doses, many low- and middle-income countries are struggling to obtain vaccines. Whereas 76% of people ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Skin tuberculosis is just one of the ways that this bacterial infection can affect your body. While less contagious than some types of tuberculosis, it can still be spread from person to person. Skin ...