Resistance to vaccine mandates is building. A powerful network is helping.

The headline asserted, “Federal law prohibits employers and others from requiring vaccination with a Covid-19 vaccine distributed under an EUA.” The piece picked up significant traffic, according to the social media-analysis tool CrowdTangle, gaining more than 100,000 interactions on Facebook, meaning likes, comments and shares. It drew attention across a wide range of anti-vaccine groups, as well in forums devoted to conspiracy theories, including ones about 5G and the death toll from covid-19, CrowdTangle showed.