[petitfour]

Do they have to retest after two weeks? If they test negative, then do they have to wear a mask? Or do you have the virus forever?

[Enlightened1]

I do not know?

[flamberge]

The antibody test will remain positive for months, maybe years. It is not known how long the antibodies will last, and it probably varies between individuals.

The active virus test should be clear after three weeks.