American officials issued a cutoff of 5 p.m. on Sunday for airline passengers to leave China before being denied entry to the United States or subject to two-week quarantine.

Some people who have had to board commercial flights in recent weeks have taken elaborate precautions to protect themselves from the coronavirus.

Though there are only a few known cases in the U.S., the coronavirus outbreak has left some Asian-Americans feeling an unsettling level of public scrutiny.