line of people waiting outside mass vaccination site
“Nocebo” Effect May Cause Majority of COVID-19 Vaccine Symptoms
A negative version of the placebo effect may be behind many instances of mild side effects associated with the jabs, a study suggests.
ABOVE: © ISTOCK.COM, MAXIMAGES
“Nocebo” Effect May Cause Majority of COVID-19 Vaccine Symptoms
“Nocebo” Effect May Cause Majority of COVID-19 Vaccine Symptoms

A negative version of the placebo effect may be behind many instances of mild side effects associated with the jabs, a study suggests.

A negative version of the placebo effect may be behind many instances of mild side effects associated with the jabs, a study suggests.

ABOVE: © ISTOCK.COM, MAXIMAGES

placebo effect

Contributors
Karen Zusi | Feb 1, 2016
Meet some of the people featured in the February 2016 issue of The Scientist.