Hong Kong has set up a scheme where suspected patients can stay home, "emergency department will give a specimen tube to the patient", they spit into it, send it back and get a test result a while after.The British NHS has announced that it is piloting a scheme to test suspected cases at home, which removes the risk of a patient infecting others if they come to a hospital or having to disinfect an ambulance if one is used.In drive-through testing for COVID-19 for suspected cases, a healthcare professional takes sample using appropriate precautions.