Small number of Facebook users responsible for most Covid vaccine skepticism – report

Washington Post reported on the study which confirmed what researchers have long argued about: the echo chamber effect

A small subset of Facebook users is reportedly responsible for the majority of content expressing or encouraging skepticism about Covid-19 vaccines, according to early results from an internal Facebook study.

The study, first reported by the Washington Post, confirms what researchers have long argued about how the echo chamber effect can amplify certain beliefs within social media communities. It also shows how speech that falls short of outright misinformation about vaccines, which is banned on Facebook, can still contribute to vaccine hesitancy.