US Congress have tested positive for the coronavirus, with one on Tuesday accusing Republicans of refusing to wear masks and mocking those who did during a riot at the legislature last week.In a tweet, Democratic Congresswoman Pramila Jayapal said she had taken a test after being trapped in a secure room with fellow lawmakers, and that she had tested positive."Many Republicans still refused to take the bare minimum COVID-19 precaution and simply wear a damn mask in a crowded room during a pandemic - creating a superspreader event on top of a domestic terrorist attack," Jayapal, who is now self-isolating, she said."The duration in the room was multiple hours and several Republicans not only cruelly refused to wear a mask but mocked.