A provocative new study on flu virus transmission found that subjects had 6.3 times more aerosol shedding of flu virus particles if they received vaccination in the current and previous season compared with having no vaccination in those two seasons.

Vaccination is predicated on the rarely questioned belief that it confers bona fide immunity against targeted pathogens. This is why the terms vaccination and immunization are often used interchangeably, a disingenious semantic confusion that is rarely confronted or corrected. In the case of flu vaccine, certainty about this approximates religious faith, with the CDC taking on the role of the Church, conventional doctors the clergy, and the published literature Holy Scripture.

But what…