Since 2001, the percentage of unvaccinated babies and toddlers quadrupled from 0.3 percent to 1.3 percent in 2015, the CDC says.
USA TODAY, USA Today: Nation
Fri, 10/12/2018 - 9:43am
Since 2001, the percentage of unvaccinated babies and toddlers quadrupled from 0.3 percent to 1.3 percent in 2015, the CDC says.