Reddit user theotheredmund

By breaking the chain of a disease’s transmission, herd immunity protects the most vulnerable among us, including newborns and sick people who can’t receive vaccines. But in order for it to work, a certain percentage of people in a community must be vaccinated.


This very important concept may feel abstract when explaining it to the doubtful or the complacent, so here’s a stark visual created by Reddit user theotheredmund, using data from Epidemiologic Reviews. See, in a startling way, how vaccinating your kid helps others.


How Herd Immunity Works | Reddit