Article originally appeared on www.foxnews.com.
An outbreak of Rocky Mountain spotted fever (RMSF) in southern California has led to three deaths, according to a Dec. 8 health advisory from the Centers for Disease Control and Prevention (CDC).
The total of five reported cases all involved affected people who had recently traveled to or lived in the city of Tecate in Mexico.
All five of the patients had been in Tecate within two weeks of becoming ill.
They were all diagnosed in southern California hospitals between July and December 2023.
One patient was an adult, while four were under 18 years of age, the CDC stated in the alert.
Three of the patients lived in the U.S. and two were residents of Mexico .
Three of these patients died, according to the CDC advisory.
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