News Release


*For Immediate Release:*

July 24, 2025

 

*Public Health Investigating Case of Measles in LA County and Encourages Vaccination Amid Rising Summer Travel*

 

The Los Angeles County Department of Public Health is urging residents to get protected against measles, following the confirmation of a measles case linked to an out-of-county traveler that passed through Los Angeles International Airport (LAX) while infectious. Public Health is investigating exposure sites related to this case, identifying others who may have been exposed and taking steps to confirm if they are at risk for developing a measles infection.

The following public places were visited by the confirmed case:


* July 5, 2025, at Los Angeles International (LAX) Airport. Details of the flight are under investigation.
* July 5, 7:30 p.m. – July 7, 2025, 1 p.m., Hilton Los Angeles Airport, 5711 W. Century Blvd., Los Angeles, CA 90045.

People who were at these locations during the dates and times listed above may be at risk of developing measles from 7 to 21 days after being exposed. They should confirm if they have been fully vaccinated against measles or had measles in the past.

If they have not had measles in the past and have not yet been fully vaccinated against measles, they are at risk of getting sick with measles. Unimmunized persons, those with unknown immunization status, and no known history of measles should monitor for symptoms for 21 days. Those who develop symptoms should call their healthcare provider right away – before going in.

Those who have been free of symptoms for more than 21 days after being exposed (after July 26, 2025 for those at the airport and after July 28, 2025 for those at the hotel) are no longer at risk for developing measles.

With outbreaks occurring both in the United States and internationally, Public Health emphasizes the importance of getting vaccinated before traveling as increased summer travel raises the risk of exposure and transmission. People who are not immune are strongly encouraged to receive the measles-mumps-rubella (MMR) vaccine to help prevent further spread.

“Measles is a highly contagious respiratory illness that can linger in the air and on surfaces, making it easy to spread, particularly among people who are not already protected from it,” said Muntu Davis, MD, MPH, Los Angeles County Health Officer. “A person can spread the illness to others before they have symptoms, and it can take seven to twenty-one days for symptoms to show up after exposure. Measles can lead to severe disease in young children and vulnerable adults. The best way to protect yourself and your family from infection is with the highly effective measles vaccine.”

Public Health encourages all residents to:


* Review their immunization and medical records to determine if they are protected against measles, especially before international travel or domestic travel in areas experiencing measles outbreaks [ [link removed] ]. People who have not had measles infection or received the measles immunization previously are not protected from the measles virus and should talk with a health care provider about receiving the measles, mumps and rubella (MMR) immunization.
* Contact and notify their health care provider as soon as possible about a potential exposure if they are pregnant, an infant, have a weakened immune system and/or are unimmunized.
* If symptoms develop, stay at home, and avoid school, work and any large gatherings. Call a healthcare provider immediately. Do not enter a health care facility before calling them and making them aware of your measles exposure and symptoms. Public Health can assist health care providers in appropriately diagnosing and managing your care.

*About Measles*

Measles spreads easily through the air when an infected person breathes, talks, coughs, or sneezes. The virus can stay in the air and on surfaces for many hours, even after the infected person has left. The infected person can spread the disease up to four days before a measles rash appears and up to four days after the rash appears. If other people breathe the contaminated air or touch the infected surface, then touch their eyes, noses, or mouths, they can become infected.

Common symptoms for measles include:


* High fever (higher than 101° F)
* Cough
* Runny nose
* Red and watery eyes
* Rash 3-5 days after other signs of illness. The “measles rash [ [link removed] ]” typically starts on the face and then spreads down to the rest of the body.

Measles can be prevented with a measles, mumps, and rubella vaccine (MMR or MMRV). The MMR vaccine protects against three diseases: measles, mumps and rubella. The MMRV vaccine protects against four diseases: measles, mumps, rubella, and varicella (chickenpox). They are administered in two doses and are highly effective: two doses are 97% effective against measles and one dose is 93% effective. The spread of measles can be prevented if 2-dose coverage of vaccine remains at 95% or above in the community. For more information on measles, visit: ph.lacounty.gov/measles [ [link removed] ].

Most health insurances cover the cost of the MMR and MMRV vaccine. Insured persons should check with their doctor or local pharmacy to see what vaccines are offered. Uninsured or underinsured children and adults can access free or low-cost vaccines at clinics enrolled in the Vaccines for Children (VFC) and Vaccines for Adults (VFA) program. For a list of clinics that offer free or low-cost immunizations for persons who are uninsured or underinsured, call 2-1-1 or visit: [link removed] [ [link removed] ].

In the United States, as of July 22 a total of 1,319 measles cases [ [link removed] ] have been reported this year. Most of these cases are linked to an ongoing measles outbreak in Texas, New Mexico, Kansas, and Oklahoma. The majority of cases are unvaccinated or have unknown vaccination status. Twelve percent of these cases required hospitalization for management of measles complications or isolation and three have tragically died from measles-related complications. The last case of measles in a Los Angeles County resident was reported in June 2025.


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"*The Los Angeles County Departmen**t of Public Health* "

"The Department of Public Health is committed to promoting health equity and ensuring optimal health and well -being for all 10 million residents of Los Angeles County. Through a variety of programs, community partnerships and services, Public Health oversees environmental health, disease control, and community and family health. Nationally accredited by the Public Health Accreditation Board, the Los Angeles County Department of Public Health comprises of more than 5,000 employees and has an annual budget of $1.3 billion."

 

"Los Angeles County Department of Public Health works to protect health, 
prevent disease, and promote health and well-being."

 

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