Measles cases in Texas and New Mexico continue to rise and spread to Oklahoma.

West Texas measles outbreak expands to three states | CNN The measles outbreak in West Texas is linked with cases in New Mexico, officials said Tuesday, as well as new cases reported in Oklahoma. This brings the total number of cases to 258 across three states. Neha Mukherjee CNN

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Even with climbing case counts, experts say these numbers are a severe undercount.

“The issue is when it spreads to communities that don’t have high vaccination rates,” said Dr. Catherine Troisi, infectious disease epidemiologist with UTHealth Houston. “So it depends on where the infected person goes to spread measles, to see how far and how many other cases are going to result from it.”

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