Carl Krawitt has watched his son, Rhett, now 6, fight leukemia for the last 4½ years. For more than three of those years, Rhett has undergone round after round of chemotherapy. Last year, he finished chemotherapy, and doctors say he is in remission.
Rhett cannot be vaccinated, because his immune system is still rebuilding. It may be months more before his body is healthy enough to get all his immunizations. Until then, he depends on everyone around him for protection — or what’s known as herd immunity.
But Rhett lives in Marin, a county with the dubious honor of having the highest rate of “personal belief exemptions” in the Bay Area and among the highest in the state. This school year, 6.45 percent of Marin’s kindergarteners have a PBE which allows parents to lawfully send their children to school unvaccinated against communicable diseases like measles, polio, whooping cough and more. Continue reading