This study explores the spread of disinformation relating to the Covid-19 pandemic on the internet, dubbed by some as the pandemic’s accompanying “infodemic”, and the societal reactions to this development across different countries and platforms. The study’s focus is on the role of states and platforms in combatting online disinformation. Through synthesizing answers to questions submitted by more than 40 researchers from 20 countries within the GDHR Network, this exploratory study provides a first overview of how states and platforms have dealt with Corona-related disinformation. It analyses the platforms’ willingness and efficacy in removing (presumed) disinformation, shows variances in national and local contexts and sheds light on the roles of Facebook, Twitter, and Instagram. This study provides incentives for further rigorous studies of disinformation governance standards and their impact across different socio-cultural environments.