Here’s the list of the CDC-managed Twitter Accounts as of 2016.

CDCEmergency https://twitter.com/CDCEmergency
2 CDCgov https://twitter.com/cdcgov
3 CDC_eHealth https://twitter.com/CDC_eHealth
4 CDCFlu https://twitter.com/CDCFlu
5 NIOSH https://twitter.com/niosh/
6 CDCGlobal https://twitter.com/CDCGlobal
7 DrFriedenCDC https://twitter.com/DrFriedenCDC
8 CDC_Cancer https://twitter.com/CDC_Cancer
9 CDCespanol https://twitter.com/CDCespanol
10 CDCSTD https://twitter.com/CDCSTD

For healthcare organizations. the value of this list is obvious – it can be trusted.

You can use this list as a starting point to develop your own list of trusted accounts for a retweeting strategy;  Not blind retweeting, but thoughtful retweeting with comment modification which supports your own healthcare organizations mission.