Regarding these self-report services, it seems that an overwhelming majority of (self) reported side-effects are due to nocebo responses[1]. [1] https://jamane

Regarding these self-report services, it seems that an overwhelming majority of (self) reported side-effects are due to nocebo responses[1]. [1] https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2788172 https://jamanetwork.com/journals/jamanetworkopen/fullarticle... [2] https://arstechnica.com/science/2022/01/up-to-76-of-covid-vaccine-side-effects-are-just-in-peoples-heads-study-finds/ https://arstechnica.com/science/2022/01/up-to-76-of-covid-va...