According to the California Department of Public Health, the state has recorded the highest number of measles cases in the last seven years, with approximately 40 confirmed infections.
According to media such as Infobae, measles has resurfaced in the United States, and California is one of the states that tops the list, about to exceed 25 cases registered in 2025.
One of the reasons, according to entities such as the Center for Disease Control and Prevention (CDC), is the lack of school vaccination, which in the case of kindergarten children would have dropped to 92.5%.
With respect to the entire United States, Infobae points out that so far in 2026, 1,714 cases have been registered, considered one of the largest outbreaks since 1991.
The CDC clarifies that the majority of infected people They have not been vaccinated, especially those under 20 years of age.
Infobae cites the statements of Dr. Eric Sergienko, from the state Department of Public Health, who points out that of the first 39 cases of measles in California, 95% corresponds to people without a vaccination record.
The outlet states that in 2026 California had three main outbreaks: a family case in Riverside, another community case in Shasta and another in Sacramento.
The other states where measles cases have been reported, according to the CDC, are Alaska, Arizona, Colorado, North Carolina, South Carolina, North Dakota, South Dakota, Florida, Georgia, Idaho, Illinois, Kentucky, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Mexico, New York City, New York State, Ohio, Oklahoma, Oregon, Pennsylvania, Texas, Utah, Vermont, Virginia, Washington and Wisconsin.
The CDC notes that there have been reports 10 cases of measles among foreigners who visited the United States.
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