Airport traveler contaminated with measles identified at LAX, nearby hotel amid widespread outbreak
California Measles Outbreak Surpasses Prior Years' Cases
California is currently experiencing a significant increase in measles cases, with 17 confirmed cases reported by mid-2025. This number surpasses the total number of cases for both 2023 and 2024, though it still falls below the 73 cases seen in 2019 [1].
The nation is also suffering from its largest outbreak of measles in decades, with over 1,300 confirmed cases reported across at least 39 states as of the report [2][4]. Many of these cases are linked to a large ongoing outbreak centered in West Texas that has caused fatalities.
In California, although childhood measles vaccination rates remain relatively high (around 96%), some counties have vaccination levels below the herd immunity threshold of 95%, increasing the risk for outbreaks [1].
Rising Summer Travel Risks
With summer travel in full swing, public health officials emphasize that unvaccinated individuals or those without confirmed immunity are at risk of measles exposure, especially when traveling through high-traffic places like airports where infected travelers may pass through.
In early July 2025, an infectious individual, Christopher Buchanan, traveled through Los Angeles International Airport (LAX), prompting public health investigations and warnings about possible exposure at LAX and nearby sites such as the Hilton Los Angeles Airport at 5711 W. Century Blvd [3].
Christopher Buchanan landed at LAX on July 5, and the exact time and flight information are still being investigated [3]. He was at the Hilton Los Angeles Airport from 7:30 p.m. July 5 until checking out at 1 p.m. July 7 [3].
Preventive Measures
The most effective preventive measure against measles is immunization, according to Dr. Muntu Davis, the Los Angeles County health officer. The measles-mumps-rubella (MMR) vaccine, which is about 97% effective after two doses, is the best protection against measles [1][4].
Given the contagious nature of measles and potential severe complications, vaccination remains crucial, especially for those traveling during outbreaks. Dr. Muntu Davis also advises avoiding large gatherings if symptoms arise [3].
Individuals who were at these locations on these days are urged to monitor potential symptoms for at least three weeks [3]. It's important to note that a person can spread the illness to others before they have symptoms, and it can take seven to 21 days for symptoms to show up after exposure [3].
Those who have potential exposure, especially if they are pregnant or have a weakened immune system, should contact their healthcare provider [2]. For everyone else, it's crucial to stay vigilant and ensure that your vaccinations are up-to-date.
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