Tracking the rate of vaccination and school exemptions | NYGazet

How an NBC News data investigation tracked vaccination and school exemption rates across thousands of counties in the U.S.

This year's lethal spread of measles in rural West Texas and other pockets of the U.S. was a strong warning about how protection against deadly childhood diseases is eroding around the nation. This was a key conclusion of a six-month NBC News investi... [6952 chars]