COVID vaccines for kids under age 5 were approved last week in a major development to tackle the pandemic. Health experts are telling parents to contact their pediatricians for a shot. But for many, that’s not an option. 

CDC advisers are recommending the use of two separate COVID-19 vaccines for the youngest children made by Moderna and Pfizer-BioNTech, paving the way for vaccine rollout as early as next week.

Advisers to the Food and Drug Administration overwhelmingly voted to recommend that it authorize Novavax's two-dose vaccine against COVID-19.

The Food and Drug Administration expanded authorization of Pfizer-BioNTech's COVID vaccine to enable kids ages 5 to 11 who were vaccinated at least five months ago to get a third shot.

During the pandemic scientists launched a vaccine in record-breaking time. Their successful use of mRNA technology could lead to progress in the decades-long effort for an HIV inoculation.

As the world enters the pandemic's 3rd year, some ask whether the 70% vaccination goal set by WHO and the Biden administration could in fact be detrimental. Also: See our map of global progress.

Some countries are moving ahead with plans to offer a fourth dose of COVID-19 vaccine. But studies are raising questions about the potential advantages of this extra booster.

At 16, Nicolas Montero is old enough to get vaccinated on his own in some parts of the country. But he had to try to get the jabs without his parents knowing, since they're opposed to the vaccine.

The Serbian tennis star says he understands he may miss the French Open and Wimbledon as a result. He adds that his decision is personal and he shouldn't be lumped in with anti-vaccination activists.

Brigham and Women's Hospital in Boston said the COVID-19 vaccine is one of several immunizations required by most U.S. transplant programs.

Now, both the Pfizer and the Moderna booster shots can be given five months after the second dose of vaccine — down from six months.

The new research affirms what many individuals had reported. But it also shows the changes to the menstrual cycle are mostly minor and brief, more akin to a sore arm than a dangerous reaction.

Peter Hotez and Maria Elena Bottazzi used an oldie-but- goodie technology to devise a vaccine that's easy to make — and relatively cheap. India has already ordered 300 million doses.

The program called COVAX was set up to make sure that all countries have access to COVID vaccines. Two key public health figures talk about what went wrong — and how to fix it.

Vaccines still do a solid job at warding off hospitalization from omicron. So if you're young and healthy, why get a booster? Scientists explain how boosters help and the best timing to get one.