A vaccine stimulates your immune system, providing active immunity and protecting you from disease.
Why is the Nordic Cochrane Centre attacking a Cochrane review of the HPV vaccine?
So what exactly do anti-vaccine folks want? What are they trying to do? Are they trying to scare parents away from getting vaccinating and protecting their kids, hoping to drag us back to the pre-vaccine era? What Are the Demands and Goals of the Anti-Vaccine Movement? Of course, some of the folks who are anti-vaccine …
When it is ethical to do so, placebos have been used in vaccine trials, even saline placebos.