The ongoing Texas measles outbreak has rapidly grown to the largest the state has seen in decades, spreading through mostly unvaccinated residents and creeping across both county and state lines. On Friday morning,

Only five of the infected individuals were vaccinated, with the rest either unvaccinated or having unknown vaccination status.

There is a measles outbreak in the South Plains region of Texas, with 58 confirmed cases, primarily in Gaines County, which accounts for 45 cases.