Where are the Saline Placebos?

Remember when anti-vaccine folks used to say that there were no double-blind, placebo-controlled randomized clinical trials for vaccines?

What happened once they realized that there actually were?

They moved the goal posts…

Where are the Saline Placebos?

Okay, they said.

So you have done double-blind, placebo-controlled randomized clinical trials when testing vaccines, but what placebo did you use?

Was it a pure saline placebo?

“Placebo Control – A comparator in a vaccine trial that does not include the antigen under study. In studies of monovalent vaccines this may be an inert placebo (e.g. saline solution or the vehicle of the vaccine), or an antigenically different vaccine. In combined vaccines, this may be a control arm in which the component of the vaccine being studied is lacking.”

WHO on the Guidelines on clinical evaluation of vaccines: regulatory expectations

Although no guidelines actually call for using a pure saline placebo, that’s all anti-vaccine folks will accept these days.

Why?

That’s there MO – or method of operation.

When one theory or myth gets squashed – they move to another.

They move the goalposts.

It doesn’t matter that there are often ethical and logistical problems with using pure saline placebos, that’s all they want to hear about it.

That they wouldn’t be satisfied and start vaccinating their kids if all vaccine studies started to use saline placebos should be evident when you consider that many vaccine studies have already used saline placebos!

There are many more vaccine studies that have used saline placebos and like other vaccine studies, have found vaccines to be safe and effective.

But how do you know that they used a real saline placebo and not some kind of saline solution with other stuff in it?

If it isn’t clear to you in the methods section of the study, go to the source – the original clinical trials record and it will be listed there.

What are you going to be worried about now?

More on Saline Placebos

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