My clue for what? I'm not the one who is saying this, it's Karolinska Institute saying their new antibody test has no false positives: https://www.svt.se/nyhete

My clue for what? I'm not the one who is saying this, it's Karolinska Institute saying their new antibody test has no false positives: https://www.svt.se/nyheter/inrikes/11-procent-av-stockholmarna-har-antikroppar-mot-covid-19 https://www.svt.se/nyheter/inrikes/11-procent-av-stockholmar...