“You may choose to look the other way, but you can never say again that you did not know.”
— William Wilberforce
Some researchers conducting clinical trials on a COVID-19 vaccine have not revealed to the public what the placebo contains, but they should. This is because the placebo ingredients influence how effective or harmful the active treatment, with which the placebo is compared, appears. Our new guideline published in PLOS Medicine remedies this problem by providing a […]
Some researchers conducting clinical trials on a COVID-19 vaccine have not revealed to the public what the placebo contains, but they should. This is because the placebo ingredients influence how effective or harmful the active treatment, with which the placebo is compared, appears. Our new guideline published in PLOS Medicine remedies this problem by providing a […]
Opinion | If healthcare workers wear surgical masks, there is good evidence that it limits the spread of respiratory viral infections in hospitals. But there is no clear evidence that surgical masks protect members of the public from getting or passing on these sorts of infections—most likely because of incorrect use. For cloth masks worn by the […]