Health authorities in Los Angeles County confirmed a seventh measles case this year, linked to an international traveler who arrived at LAX on July 3.The case adds to a statewide total of 51 confirmed cases, with nationwide numbers approaching last year's total of 2,288.Public health officials warned that individuals who were at the Tom Bradley International Terminal at LAX between 3 p.m.and 4 p.m.on July 3, or those who used the Hertz Car Rental Shuttle during that time, may have been exposed.

The Department of Public Health is contacting passengers near the traveler's seat on British Airways flight 281 and other locations where the individual may have spread the virus, including a healthcare facility.Measles symptoms, which include fever, cough, runny nose, and rashes, can appear seven to 21 days after exposure.

Officials emphasized the importance of the MMR vaccine to prevent outbreaks, noting that vaccination rates have dropped below herd immunity thresholds in some areas.With summer travel increasing, health authorities urge vigilance to curb the spread of infectious diseases.