Before revision:  CHECKED provides ground-truth on credibility,carefully obtained by ensuring the specific sources are used. CHECKED includes microblogs related to COVID-19  , identified by using a specific list of keywords  , covering a total 2120 microblogs published from December 2019 to August 2020.
After revision:  CHECKED provides a total 2,104 verified microblogs related to COVID-19 , identified by using a specific list of keywords , covering a total 2120 microblogs published from December 2019 to August 2020.