With the outbreak of the coronavirus pandemic came a flood of novel misinformation. Ranging from harmless false cures to dangerous rhetoric targeting minorities, coronavirus-related misinformation spread quickly wherever the virus itself did. Fact-checking organizations around the world took up the charge against misinformation, essentially crowdsourcing the task of debunking false narratives. In many places, engagement with coronavirus-related content drove a large percentage of overall user engagement with fact-checking content, and the capacity organizations developed to address coronavirus-related misinformation was later deployed to debunk misinformation on other topics.
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Source: How COVID drove the evolution of fact-checking | HKS Misinformation Review