Before revision:  We analyzed more than 12 million COVID-19 related posts on Weibo, a popular Twitter-like social media platform in China, from November 20 , 2019 to March 3 , 2020.
After revision:  We analyzed approximately 15 million COVID-19 related posts on Weibo, a popular Twitter-like social media platform in China, from November 20 , 2019 to March 3 , 2020.