Published on in Vol 22, No 12 (2020): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19470, first published
.
![Social Media Use for Health Communication by the CDC in Mainland China: National Survey Study 2009-2020 Social Media Use for Health Communication by the CDC in Mainland China: National Survey Study 2009-2020](https://asset.jmir.pub/assets/321811f2fcf92732ccc2790b64385374.png 480w,https://asset.jmir.pub/assets/321811f2fcf92732ccc2790b64385374.png 960w,https://asset.jmir.pub/assets/321811f2fcf92732ccc2790b64385374.png 1920w,https://asset.jmir.pub/assets/321811f2fcf92732ccc2790b64385374.png 2500w)
1 Center for Communication and Social Development, School of Journalism and Communication, Chongqing University, Chongqing, China