Polarization of the vaccination debate on Facebook - PubMed
The existence of echo chambers may explain why social-media campaigns that provide accurate information have limited reach and be effective only in sub-groups, even fomenting further opinion polarization. The introduction of dissenting information into a sub-group is disregarded and can produce a ba …
Polarization of the vaccination debate on Facebook. Vaccine. 2018 Jun 14;36(25 ):3606-3612. doi: 10.1016/j.vaccine.2018.05.040.