Vaccines and immunizations Archive

The Shingrix vaccine decreases the risk of developing shingles (herpes zoster), a painful and potentially serious condition. In some people, the reaction to Shingrix includes mild soreness, redness, swelling, or pain in the arm at the injection site. Some people also experience fatigue, headache, muscle achiness, stomach pain, nausea, fever, or chills and shivering for a day or two. Very rarely, people have an allergic reaction. There is no evidence that anything will prevent a reaction to Shingrix.

People who received a COVID vaccine during the first two years of the pandemic had a lower risk of developing long COVID, according to a 2024 study.

The shingles vaccine, Shingrix, can trigger side effects such as a sore arm, achiness, fatigue, and fever. But Shingrix is highly effective at preventing painful shingles rashes and a complication called postherpetic neuralgia, which involves long-lasting nerve pain.

A 2024 study found that two doses of the recombinant zoster vaccine to prevent shingles remains highly effective after four years.

We think of measles as a minor viral infection in children that goes away without complications, but it can have complications, and they can be serious or even fatal. Here's how to protect yourself, your circle, and your community - and why you should.

Who should get COVID vaccine boosters and when will remain in flux for at least another year. This summer, the FDA instructed the vaccine makers to have the next COVID vaccine target the XBB.1.5 Omicron subvariant. The CDC will be issuing specific recommendations by October, but infectious disease experts expect the newer vaccine to provide the most benefit for people over 65 and those younger with chronic conditions.

Learn which vaccines can help protect you against serious illness and hospitalization from RSV, COVID, and the flu this fall.

Measles is a highly contagious disease that can cause serious health complications in some people. It's also highly preventable through vaccination. Here are the facts that everyone — especially parents — needs to know about measles.

Tens of millions of people who've had COVID-19 suffer with persisting symptoms. The condition is called long COVID. Symptoms, such as fatigue, difficulty concentrating, and disrupted sleep, can seriously impair the ability to function at work and at home. Vaccines and antiviral drugs appear to offer some protection against getting long COVID. But more information is needed. The National Institutes of Health has committed over $1 billion to discover how to better diagnose, effectively treat, and ultimately prevent long COVID.