Before revision: 5, 6 Here, we report the results of an analysis of over 500 million social media posts from Twitter and Facebook  between March 8 and May 1, 2020.
After revision: 5, 6 Here, we report the results of an analysis of over 500 million social media posts from Twitter and Facebook about COVID-19 and other health topics, between March 8 and May 1, 2020.