What Actually Works to Get People to Vaccinate?
Health officials have tried many different strategies, but the science is still in its early days.
Browsing Tag
Herd Immunity
2 posts
How Many People Must Be Unvaccinated Before You Have to Worry About Getting Measles?
Because measles passes so easily between people, 96 percent to 99 percent vaccination rates are required for "herd immunity" to work.