Measles Outbreak in South Carolina Spreads to Washington State Five Times in Two Weeks, Exposing a New Domestic Travel Risk
A measles outbreak linked to South Carolina has now surfaced in Washington state five times in just two weeks, underscoring how quickly the virus can move through domestic travel networks. Public health officials say the pattern marks a shift away from the long-standing assumption that international arrivals are the primary source of U.S. measles cases.
