“Nocebo effect” accounts for 76% of all adverse events in the COVID-19 vaccine trial group

The placebo effect is a phenomenon known to improve a person’s physical or mental health after taking a treatment with no pharmacological benefit – a sugar pill, or a syringe filled with saline, for example. While the biological, psychological, and genetic underpinnings of the placebo effect are not well understood, some theories point to expectations … Read more

Ad5-nCoV vaccine safe and effective against symptomatic, severe COVID-19, trials shows

Single dose of Ad5-nCoV (Convidecia), a COVID-19 vaccine developed in China, is 57.5% effective against symptoms of COVID-19 and 91.7% effective against severe COVID-19 disease onset 28 days after vaccination, according to a randomized phase 3 Censored trial published in scalpel. The report indicates that Ad5-nCoV is safe, with no serious vaccine-related adverse events or … Read more