Policymakers have been applying pressure to social media giants to hold back the tide of disinformation.

Smoke doesn't always mean fire.

Spanish language posts boasting false claims that the covid-19 vaccine causes magnetism are avoiding fact-checkers at a higher rate than English language posts.

Sen. Mark Warner says he is particularly disturbed about how Instagram's algorithm appears to be promoting vaccine misinfo.

Facebook says it took down about 400 Instagram accounts and worked with TikTok and Twitter to help them crack down, too.

It's part of an effort to show Facebook can regulate itself.