Vaccine adverse effects may be in our heads — a systematic review and meta-analysis
Vaccine adverse effects are a point of contention with anti-vaccine activists. They always seem to overstate their frequency and claim that it’s much more frequent than reported. On the other hand, many of us on the science side agree that the number of adverse events is vastly overstated, especially in the Vaccine Adverse Events Reporting System (VAERS), which is not a very good system for tracking these things.
Well, a new systematic review and meta-analysis, published in a respected journal, indicates that many reports of adverse effects in the COVID-19 vaccine clinical trials can be attributed to the placebo effect. As I like doing, let’s review this new paper.
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