Measles cases in the U.S. just hit a two-decade high. In case you can't already guess why, assistant surgeon general Dr. Anne Schuchat explains:
The current increase in measles cases is being driven by unvaccinated people.
From Aeon, Polio whack-a-mole:
Tags: medicine polio vaccines
The great allies of infectious diseases are no longer poverty, nor dirt, but the global anti-vaccination movement.