Prevalence of Misinformation and Factchecks on the COVID-19 Pandemic in 35 Countries: Observational Infodemiology Study

Background The COVID-19 pandemic has been accompanied by an infodemic, in which a plethora of false information has been rapidly disseminated online, leading to serious harm worldwide. Objective This study aims to analyze the prevalence of common misinformation related to the COVID-19 pandemic. Methods We conducted an online survey via social media platforms and a survey company to determine whether respondents have been exposed to a broad set...