Myth of Herd Immunity: "When I was a medical student 40 years ago, it was taught that tetanus vaccine would last a lifetime. Then 30 years after, we discovered that it lasted no more than 10 years. I ask my doubting physician if he or she has ever seen a case of tetanus? Most have not. I then tell them to look at the yearly data on tetanus infections – one sees no rise in tetanus cases."
Herd Immunity vs. Viral Shedding: Who’s Infecting Whom?
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 […]