Because he had contacted a confirmed patient with COVID-19 not long ago, five members of the U.S. Congress are undergoing self-isolation, and two of them have recently contacted US President Trump .
According to CNN on the evening of the 9th, four Republican members of the U.S. Congress are self-isolating after attending a political action meeting between conservatives. In addition, a Democratic female congressman announced on the 9th that she found herself in contact with a confirmed case recently and is currently working remotely.
FloridaRepublican Rep. Matt Gaetz said on the 9th that he had been exposed to confirmed cases and had no symptoms at present. He has also undergone tests and will self-isolate for 14 days. Gates recently rode the Air Force One with US President Trump.
Georgia Republican Rep. Doug Collins announced on the 9th that he received a notice that he had contacted a confirmed patient and was self-isolating out of caution. Collins also recently had contact with Trump, and had shaken hands with Collins last Friday when he visited the Centers for Disease Control and Prevention in Atlanta.

Senator Ted Cruz and Rep. Paul Gosar said they were sure they had contact with a man diagnosed with COVID-19 at a political meeting in the suburbs of Washington and are currently in self-isolation.
Cruz said on the 8th that he will stay at his home in Texas in the next few days until the 14-day quarantine period ends.
Gozal said he also contacted the confirmed man at the meeting, and he and three of his senior staff are under self-isolation. Gosar said on social media on the 8th that his office would be closed for a week.
California Democratic Rep. Julia Brownley said on the 9th, "I decided to close my office in Washington within this week and work remotely."
On the 7th local time, the American Conservative Union announced that a person participating in a conservative political action meeting tested positive for the new coronavirus. U.S. President Trump, Vice President Pence and other administration officials also attended the meeting, but the group said attendees had neither contacted the president nor the vice president nor attended events held in the main hall.
According to the US Capitol Hill newspaper, on the evening of the 9th local time, White House said in a statement that President Trump has not yet received a test for the new coronavirus. White House Press Secretary Stephanie Grisham said in a statement, "The president has not been tested for the new coronavirus because he has neither had close contact with any known confirmed cases of the new coronavirus, nor had any symptoms." "President Trump is in good health and his doctors will continue to monitor him closely."
Source: People's Daily Overseas Network, Global Network Guangzhou Daily All-Media Editor: Chen Yashi