Missouri Republicans are trying to avoid funding an expansion that would give 275,000 people health insurance. Democrats argue they are pushing ideology over the will of the people.

Researchers are reporting some progress in their search for drugs that tamp down the overwhelming immune reaction that can kill a patient with COVID-19.

One in four Americans say they won't get a coronavirus vaccine. Researchers say it could keep the nation from reaching a critical tipping point.

The three vaccines available in the U.S. are safe and effective, but not ideal. Now, work is underway to create more convenient and potent vaccines, including a tablet and nasal spray.

At an animal sanctuary in the Congo, young students are learning why the gentle, endangered apes known as bonobos should be seen as a national treasure.

Not only does the new research show the Moderna and Pfizer vaccines are effective at protecting pregnant people, it also found that antibodies were present in umbilical cord blood and breast milk.

The answer, experts say, depends on how Americans behave in the next several weeks and how quickly vaccines get in arms.

The possibility that vaccines meant to prevent the disease may also be a treatment for long COVID — when symptoms linger for months — has sparked optimism among patients and scientists.

A federal push to reach both residents and staff at long-term care facilities is winding down, leaving many workers who care for the elderly and vulnerable unvaccinated.

One smart way of getting the vaccine to communities at high risk of COVID-19: Take it to places many patients already visit three times a week.