A hospital in Texas on Wednesday confirmed the death of an unvaccinated child who was infected with measles—the first fatality in a two-state measles outbreak that began in January, according to the Associated Press.

The MMR vaccine protects your child against three viruses: measles, mumps, and rubella (German measles). The MMRV is the same as the MMR, except that it also includes protection against the varicella virus,

The majority of the 124 measles cases reported in Texas this year have been in children between five and 17. The first death in an ongoing measles outbreak has been reported in Texas. The Texas Department of State Health Services announced the death of a school-aged child on Wednesday morning.