Vaccines
Vaccines help protect people from diseases. They contain "weakened" or "dead" germs, such as viruses or bacteria, which stimulate the body's immune system in a manner that can prevent us from getting sick with harmful pathogens. Here's the latest science news on vaccines.Vaccines
Latest about vaccines
Who should get the new RSV vaccines? Here's everything you need to know
By Nicoletta Lanese last updated
There are now RSV vaccines approved for older adults and for pregnant people, and antibody shots (not vaccines) available for babies. What's the difference?
RSV vaccine keeps older adults highly protected for at least 2 seasons
By Nicoletta Lanese published
Pfizer's recently approved RSV vaccine maintains a high and fairly steady rate of effectiveness across consecutive RSV seasons.
Rare clotting effect of early COVID shots finally explained — what could that mean for future vaccines?
By Stephanie Pappas published
Scientists have offered a new explanation for why COVID-19 vaccines that contained adenoviruses carried a rare-but-serious risk of blood clotting.
Vaccine for superbugs? New shot shows promise in early tests
By Stephanie Pappas published
A new vaccine, so far tested only in mice, broadly activates the immune system against a wide array of bacteria and fungi.
Measles deaths jumped over 40% from 2021 to 2022, CDC reports
By Nicoletta Lanese published
Declines in measles vaccination during the COVID-19 pandemic have been tied to an uptick in measles cases, deaths and major outbreaks worldwide.
FDA approves world's 1st chikungunya vaccine
By Nicoletta Lanese published
There's now an FDA-approved vaccine for chikungunya, a mosquito-spread virus that can cause fever, severe joint pain, and rarely, death.
Who should get the new COVID vaccines? What to know about the 2023-2024 shots
By Nicoletta Lanese last updated
New COVID vaccines have been approved to guard against coronavirus variants that are currently circulating.
Novavax's new COVID vaccine cleared for use by FDA
By Nicoletta Lanese published
An updated COVID-19 vaccine made by Novavax has been authorized by the FDA, joining the two vaccines already cleared for use.
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