Throughout the United States, at the dawn of the Progressive era, dozens of laws and regulations were established to empower police officers, public-health officials, and even the armed forces to vaccinate at will, and, if necessary, at gunpoint.

When most members of a community are vaccinated, they protect those who are not by eliminating the viral reservoirs in the population. The effect is known as 'herd immunity.'

Universal vaccination may well be the greatest success story in medical history.

Michael Specter Quotes