a situation in which a lot of false information is being spread in a way that is harmful

According to the WHO, the COVID-19-related infodemic is just as dangerous as the virus itself. 世界卫生组织称，与COVID-19有关的错误信息泛滥与病毒本身一样危险。

The leaders of social media companies have failed to tackle the infodemic of misinformation. 社交媒体公司负责人未能解决虚假信息泛滥的问题。