DC councilmember participating in vaccine trial

Name: DC councilmember participating in vaccine trial
Uploaded: 2020-09-17T03:17:03Z
Duration: 3 min 29 s
Description: D.C. councilmember Mary Cheh is among the tens of thousands of participants undergoing the coronavirus vaccine trial.

D.C. councilmember Mary Cheh is among the tens of thousands of participants undergoing the coronavirus vaccine trial.

Posted September 16, 2020 11:17pm EDT