The CDC has confirmed a third measles-related death in the United States in 2026.

The agency has recorded 4,410 confirmed measles cases as of Oct 15.

Two deaths had already been reported in September. The latest was reported on Oct 21.

Measles was declared eliminated in the US in 2000, but has returned as vaccination coverage fell in some communities.

Most cases in recent outbreaks have been in unvaccinated people. The MMR vaccine is highly effective.

Measles can linger in the air for up to two hours after an infected person leaves a room.

Preventing sustained spread requires about 95% vaccination coverage in a community.

Read the full article for more details on the third measles death.