The outbreak has sickened nearly 200 people in Gaines County, Texas. A neighboring county in New Mexico has seen 21 new cases since Tuesday.
Despite an unvaccinated child’s death, local residents in West Texas say personal choice—not public-health policy—should guide their decisions.
Measles is one of the world’s most contagious diseases, with one person being able to infect nine out of 10 of their unvaccinated close contacts.