Public health officials in San Bernardino County reported the first confirmed case of measles Friday.
The case involves an unvaccinated minor who was visiting California from another state, the San Bernardino County Department of Public Health said. It did not clarify which state the juvenile is from.
The unvaccinated minor was at Walmart Supercenter on Mountain Avenue in Ontario on Jan. 29 between noon and 3 p.m., the public health department said…