Ars Technica reports that South Carolina's measles outbreak has spread to Washington state five times in two weeks, and that domestic travel, rather than international travel, is increasingly the main route for US measles cases. Ars Technica
Ars TechnicaSouth Carolina's measles outbreak jumped to Washington state 5 times in 2 weeksInternational travel used to be the main risk of measles cases in the US—not anymore.
How should state health departments coordinate when an outbreak starts moving across the country by ordinary domestic travel?
