That's the question that researcher Inga Winkler of Columbia University asks. She shares advice on how to overcome feelings of shame and embarrassment about menstruation.

The Prime Minister of Trinidad and Tobago gave an impassioned speech about the vaccine rollout, warning of hoarding and price gouging. Here's what we could find out about the cost of a dose.

Are there issues with having a mammogram right after a vaccine? Is there a list of vaccine ingredients — some people say they're scary. Also: My pooch loves to sniff discarded masks. Should I worry?

Scientists say the pandemic will only end in the U.S. when we achieve what's called herd immunity. Play with our simulations to see how immunity can stop an outbreak in its tracks.

The cash infusion will go to support the COVAX program, co-run by the World Health Organization, to distribute vaccines to low- and middle-income countries.

And that's creating anxiety and stress — and may be contributing to a shortage of health workers. Why is the country having problems getting vaccines?

The responses reveal the impact on living standards in nine low- and middle-income countries — and may help governments find a way to help citizens most in need.

Virologist Marion Koopmans was part of a WHO team that reconstructed the early coronavirus outbreak in Wuhan, China. She talked with NPR about her team's investigation.

Health experts caution communities not to lift coronavirus restrictions too soon as the nation continues on a downward trend of virus infections and deaths.

Togo wanted to distribute millions of dollars to its citizens in dire straits. There was just one daunting problem: How could it identify the neediest of the needy?

At a news conference this week, the World Health Organization made a surprising statement: The coronavirus could possibly be transmitted on frozen packages of food.

For low- and middle-income countries, just obtaining doses has been a challenge. And now concerns are being raised about the effectiveness of the more affordable AstraZeneca option.

The country is the top flower exporter to the U.S. When the pandemic hit, farmers feared they'd have to destroy flower beds and lay off thousands of workers. Here's why that didn't happen.

Readers are asking about vaccine protocols, the safest way to take off a mask, whether it's risky to engage in therapeutic cuddling sessions with goats.

Officials in Victoria imposed a snap lockdown after several new cases of the highly contagious U.K. variant of the coronavirus were discovered.