If high-income countries keep engaging in what some are calling "vaccinationalism," low-income countries could be waiting until 2024 for COVID-19 vaccines.

Designing a COVID-19 vaccine that mimics the structure of the coronavirus itself may be the path to an effective shot, researchers say.

A huge number of countries have vaccination mandates, researchers report. The consequences for noncompliance, however, vary from country to country.

An expert sheds light on the process of creating a COVID-19 vaccine and how it may be different from other common vaccines like the flu shot.

Kids haven't been part of any COVID-19 vaccine trials in the US so far. Researchers argue in a new paper that needs to change "now."

An expert breaks down what you need to know about the potential for a "twindemic" of flu and COVID-19 this year, including how to keep yourself safe.

Looking at countries that had mandatory BCG vaccination policies gave researchers a way to test hypotheses about if the TB vaccine protected against COVID.

"We thought that the molecule would decrease inflammation, but we were surprised to see that it could provide more protection at the same time."

What will happen when COVID-19 and the flu comingle this fall is a bit of wild card, but doctors and health experts have an urgent message: Get a flu shot.

What will happen when COVID-19 and the flu comingle this fall is a bit of wild card, but doctors and health experts have an urgent message: Get a flu shot.