Fourth measles case confirmed in L.A. County; person visited LAX, restaurants while infectious
Medical Xpress
February 21, 2026
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A fourth measles case has been confirmed in Los Angeles County, prompting health officials to urge residents to ensure they are vaccinated against the highly contagious virus. This latest case highlights the ongoing risk of measles transmission in densely populated areas like L.A. County, where public spaces such as airports and restaurants can quickly spread the disease.
The individual was infectious while visiting locations including Los Angeles International Airport (LAX) and several local restaurants during their contagious period. Health officials
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Originally published on Medical Xpress on 2/21/2026