jessicalprice: npr: Back in the 1960s, the U.S. started vaccinating kids for measles. As expected, children stopped getting measles. But something else happened. Childhood deaths from all infectious diseases plummeted. Even deaths from diseases like
tags: The Best Ship in the Multiverse!, interesting,science,important,
from: https://gallifreyinfinite.tumblr.com/post/147328707267