Share sensitive information only on official, secure websites. Find more real-time updates of measles cases reported by:. Measles is an airborne, extremely infectious, and potentially severe rash illness. Before the measles vaccine was introduced, an estimated 48, people were hospitalized and β people died in the United States each year. Measles is not a seasonal virus.
However, measles is often spread over times of high travel like spring break or in situations where unvaccinated persons are in close quarters like summer camp.
Did you know that measles can be found around the world? Measles can live in the air for 2 hours after an infectious person leaves the space.
Before any international travel, evaluate if your family needs early vaccine doses. After you return, watch your health for 3 weeks and call your healthcare provider if you or your child gets sick with a rash and fever.
It is uncommon for someone fully vaccinated to develop measles. However, breakthrough infections when someone becomes infected after they have been vaccinated can occur, especially in communities experiencing an outbreak where high levels of measles virus are circulating.
