You will test positive for antibodies for months after infection. Kind of the whole point of the immune system and the vaccine. Contrary to some beliefs, Covi

You will test positive for antibodies for months after infection. Kind of the whole point of the immune system and the vaccine. Contrary to some beliefs, Covid doesn't spread by people looking, touching or talking to each other. The latter has a higher chance, though. It's highly likely you've never gotten it from your coworker. Assuming you mean antibody blood tests, I don't know anyone who would willingly take several of them in a short time.