Herd immunity, or community immunity as it is also known, is one of the main arguments that “pro-vaxxers” (those advocating vaccination) advance to persuade people to take vaccines. Herd immunity, so it is claimed, provides indirect protection to the unvaccinated. How? Here’s how the reasoning goes: if enough people get vaccinated, when a contagious disease hits a … Continue reading Herd Immunity vs. Viral Shedding: Who’s Infecting Whom?