Over 900 measles cases have been confirmed across 29 US states, exceeding the 2000 elimination declaration. Outbreaks are reported in at least six states, with Texas leading at over 660 cases. The CDC reports 96% of cases are in unvaccinated individuals or those with unknown vaccination status. Experts express concern about the resurgence, highlighting measles' high contagiousness and potential for serious complications. Increased vaccination rates are urged to prevent measles from becoming endemic again.

Prepared by Olivia Bennett and reviewed by editorial team.