Learn about two studies that evaluated COVID-19 vaccine safety. Watch “Pennsylvania: At the forefront in the prevention of infectious diseases” to learn about the major milestones and discoveries that happened in PA.

Watch as Dr. Handy describes the effectiveness of the measles vaccine and which three groups might need a booster during outbreaks.

This article deconstructs three examples of unsubstantiated talking points used in support of the vaccines and chronic diseases argument.

Find updates on measles cases in early 2024 and on COVID-19 and MIS-C. Also, learn about the life and legacy of Paul Alexander who spent 72 years of his life in an iron lung after a polio infection.

Dr. Lori Handy talks about the differences between the MMR and MMRV vaccines and considerations for parents deciding between these two vaccines for their children.

One of the prevailing misconceptions about COVID-19 mRNA vaccines is that they are a form of gene therapy. So, is this true? The short answer is no, but let’s take a closer look at why.

Learn about VaccineInformation.org’s redesigned website. Watch Dr. Offit's video about outbreaks of measles in early 2024. Check out a new biography by Katalin Karikó, who won a Nobel Prize for her work with mRNA.

Dr. Handy talks about hepatitis A disease, including why infants receive the hep A vaccine early in life.

Did you know that adults need vaccines, too? Find out what vaccines adults need, where to get them, and how to pay for them.

Find out about Dr. Offit's new book; learn about our partnership with SciCheck.org and more.