The outbreak in Gaines County, with a population of about 22,000, has grown since two cases were reported in January. All those who contracted measles were unvaccinated, health officials said.

A measles outbreak is growing in a rural area of West Texas where vaccination rates are well below the recommended level.

Health officials in Texas are battling a growing measles outbreak in an area that has some of the state's lowest vaccination rates and highest non-medical exemptions. On January 30, officials reported two measles cases in unvaccinated,