most (136/156) acquired during travel
of unvaccinated Americans to countries with outbreaks
1/1/11-6/17/11-->156 confirmed cases reported to CDC
imported infections-->12 outbreaks (defined as 3+ linked cases)
of the total: 86 (62%) unvaccinated, 30 (22%) undocumented vaccination status,
11 (8%) had received 1 MMR dose, 11 (8%) had 2 doses, and 1 (1%) had 3 documented doses
measles was declared eliminated in the US in 2000 dt successful vaccine coverage (2-dose)
endemic/outbreaks still occuring in Europe (France, UK, Spain, Switzerland), Africa, Asia (incl India)
( a few more notes and the link )