Pennsylvania has issued an alert on congenital measles, which Ars Technica reports the US hasn't seen for decades and which can be fatal, with survivors needing monitoring for years. Ars Technica
Ars TechnicaPennsylvania issues alert on congenital measles—something US hasn't seen for decadesCongenital measles can be fatal, and survivors require monitoring for years.
What does the return of a rare measles complication say about how far vaccination coverage has slipped?
