[Pfhreak]

Because it's unclear how long antibodies last. Unless you've had a positive antibody test it seems like a reasonable measure to protect people around you.

[s9w]

Immunity is more than just antibodies

[Pfhreak]

Yeah? You are suggesting you could be immune but show negative on an antibody test? How?

[akvadrako]

T-cells. Or genetic differences that make you naturally immune.

[mlthoughts2018]

Or just false negative of the test itself.