The unvaccinated woman got on a plane in London. She flew to Washington, D.C., changed planes and flew to Denver, then on to Albuquerque, and from there drove home to Santa Fe. She had measles.
During the trip, she exposed other passengers from all over the world to this disease.
Preventing an epidemic involved 70 countries and four states, and cost $1 million, according to Dr. Chad Smelser, an epidemiologist with the New Mexico Department of Health.
A few other thought-provoking highlights from a recent presentation by Smelser: