What is subacute sclerosing panencephalitis (SSPE)?

SSPE is a rare, progressive, and almost always fatal neurological disease that can develop years after a measles infection, leading to severe brain damage.

How prevalent is the measles outbreak in the US in 2026?

As of March 6, 2026, there have been nearly 1,300 reported cases of measles nationwide, indicating a significant outbreak on par with the previous year.

What are the main complications of measles?

Measles can cause brain swelling, immune system damage, secondary infections, and in rare cases, the fatal neurological condition SSPE.

Home / Health / Measles Scars: Deadly Brain Disease Lurks Years Later

Measles Scars: Deadly Brain Disease Lurks Years Later

10 Mar

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Summary

A rare, fatal brain disease can emerge years after measles infection.
Measles cases in the US are on pace to rival last year's historic outbreak.
SSPE, a measles complication, has a 95% mortality rate.

Measles Scars: Deadly Brain Disease Lurks Years Later

Measles continues its alarming spread across the United States, with nearly 1,300 cases reported by March 6, 2026, mirroring the previous year's outbreak. South Carolina is particularly affected, reporting 662 cases.

While measles is typically known for its rash, fever, and cough, it can lead to severe complications. In rare instances, brain swelling, immune system damage, and secondary infections occur. A concerning late-onset complication, subacute sclerosing panencephalitis (SSPE), has been highlighted.