Dr. Lucky Tran 
Wow. A restaurant in Chicago O’Hare, one of the biggest airports in the world, banned an infectious disease doctor from entering because they were wearing a mask. This is unacceptable.
You can file a complain about the restaurant at Chicago O'Hare denying service to mask wearers here: https://www.hmshost.com/about
John Foley@luckytran Filed. Thanks.