Revealed: Facebook enables ads to target users interested in 'vaccine controversies'

Social media platforms under pressure by US congressman to crack down on anti-vaccine propaganda, citing Guardian investigationsFacebook enables advertisers to promote content to nearly 900,000 people interested in “vaccine controversies”, the Guardian has found.Other groups of people that advertisers can pay to reach on Facebook include those interested in “Dr Tenpenny on Vaccines”, which refers to anti-vaccine activist Sherri Tenpenny, and “informed consent”