A couple months ago, Marin County Health and Human Services brought nurses, immunization information and almost a hundred doses of the measles vaccine to a clinic in the San Geronimo Valley: free preventive healthcare. Four people showed up.

This was despite advice from the medical community to get vaccinated for the measles outbreak and documented information that measles can cause ear infections (and permanent hearing loss), pneumonia (in one in 20 patients) and encephalitis, a…