The state of the antivaccine movement in the United States: A focused examination of nonmedical exemptions in states and counties User Chronically_worried, in the Discourse Is Action subreddit, 22 Aug 2018
The state of the antivaccine movement in the United States: A focused examination of nonmedical exemptions in states and counties User PHealthy, in the Infectious Disease News subreddit, 28 Jul 2018
The state of the antivaccine movement in the United States: A focused examination of nonmedical exemptions in states and counties User PHealthy, in the Reddit Science subreddit, 28 Jul 2018
The state of the anti-vaccine movement in the United States: A focused examination of non-medical exemptions in states and counties User BurtonDesque, in the skeptic subreddit, 15 Jun 2018