Booster ShotsBy: Adam Ratner MD MPH A pediatrician and infectious disease specialist warns of the resurgence of measles, the antivaccine movement, and how we can prepare for the next pandemic Every single child diagnosed with measles represents a system failurean inexcusable unforced error. The technology to prevent essentially 100 percent of measles cases has been in our hands since before the moon landing. But this serious airborne disease, once seemingly