Vaccine adverse events are rare–vast benefits outweigh risks

VACCINE 147 CROPPED
Via Skeptical Raptor

protected-water-vaccinesLike all medical procedures, devices and pharmaceuticals, vaccines are not perfect. What matters is that the benefits, not only medically but also economically, outweigh any risks. As far ask I know, no perfect medical procedures, devices or pharmaceuticals, none, that are perfectly safe or perfectly effective.

Sometimes the ratio is small. For example, there are chemotherapy drugs that only add a few months to a patient’s life, usually with substantial side effects to the medication. Yet, if you ask a patient whether it was worth it, to spend just a few extra months with their children and loved ones, the value becomes nearly incalculable.

But mostly, the FDA and other regulatory agencies demand that new products and procedures must meet or exceed the safety, and meet or exceed the financial and health benefits of currently acceptable versions. Actually, the FDA examines a lot more than that. They check packaging, shelf life, instructions, manufacturing practices, and so much more, it would take a book to explain it (and there probably are several). It may not be a perfect process, but it’s better than what we had 100 years ago, and it continues to improve every single day. People tend towards a form of confirmation bias where they remember where a drug may or may not have been found to be dangerous (best example is Vioxx). But they forget about the millions of medications and devices that save lives or measurably improve the standard of living. 

After arguing the scientific point of view with the antivaccination forces for nearly 15 years, I have observed that they tend to vastly overstate the safety risks, while vastly understating the financial and health benefits. It’s a form of the Nirvana Fallacy, which is a fallacy that if something is not perfect, then it’s junk. For some, if a vaccine is only 95% effective in stopping a disease, it’s worthless. And they want a “guarantee” that there are NO side effects of the vaccines, even when the “adverse effects” of a vaccine preventable disease could be hospitalization or death.

Of course, no pro-science proponent of vaccines would ever say “vaccines are perfect.” We never claim that vaccines never have an adverse effect, though there is no evidence that a vaccine has killed anyone in the last 30 years. On the other hand, I do have plenty of evidence that vaccine preventable diseases have killed children across the world, including the USA.

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