Articles By
Nathan Evans
![](https://misinforeview.hks.harvard.edu/wp-content/uploads/2023/05/vaccine-gddbfa96d4_1280-736x570.jpg)
Less reliable media drive interest in anti-vaccine information
Samikshya Siwakoti, Jacob N. Shapiro and Nathan Evans
As progress on vaccine rollout in the United States slowed down in Spring 2021, it became clear that anti-vaccine information posed a public health threat. Using text data from 5,613 distinct COVID misinformation stories and 70 anti-vaccination Facebook groups, we tracked highly salient keywords regarding anti-vaccine discourse across Twitter, thousands of news websites, and the Google and Bing search engines from May through June 2021, a key period when progress on vaccinations very clearly stalled.