Facebook Vaccine Conversations (IMAGE) George Washington University Caption Researchers found anti-vaccination discourse on Facebook increased in volume over the last decade, coalescing around the argument that refusing to vaccinate is a civil right Credit Valerie Morgan/UMD Usage Restrictions With permission License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.