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The United States is experiencing its highest number of measles cases since 2019, with 712 confirmed cases reported across 24 states, according to the Centers for Disease Control and Prevention (CDC). This marks an increase of 105 cases from the previous week. The current outbreak spans states including Alaska, California, Florida, and Texas, among others. The CDC notes that the actual number of cases is likely higher due to reporting delays.
Measles, an extremely infectious airborne virus, was declared eliminated in the U.S. in 2000, but recent declines in vaccination rates have contributed to its resurgence. Of the confirmed cases, 97% are in individuals who are either unvaccinated or have an unknown vaccination status. The CDC reports that 11% of patients have been hospitalized, with most being under 19 years old.
The outbreak is particularly severe in western Texas, where 541 cases have been recorded, resulting in at least two confirmed deaths in unvaccinated children. Katherine Wells, director of public health in Lubbock, Texas, expressed concern about the virus spreading to urban areas, citing potential exposures in public places like grocery stores and malls.
The CDC recommends two doses of the measles, mumps, and rubella (MMR) vaccine for effective protection, with the first dose administered between 12 and 15 months of age and the second between 4 and 6 years old. The vaccine is 97% effective with two doses. The agency warns that if the outbreak continues for over a year, the U.S. could lose its measles elimination status.