OriginalTweet: Since @DukeHealth announced employees are required to get the #COVID vaccine, 470 employees have got their first dose. 650 @UNC_Health_Care employees have got their first shot. But still close to 1/4 of employees from both systems are unvaccinated. 
  https://t.co/uUqObvnsYc https://t.co/b20ztm67kK