Bullshit. SARS 1 produces immunity against COVID and every other coronavirus has natural immunity. Your friend had some colds, the flu, maybe COVID once, and potentially false positive tests. Antibodies do drop but…
Bullshit. SARS 1 produces immunity against COVID and every other coronavirus has natural immunity. Your friend had some colds, the flu, maybe COVID once, and potentially false positive tests. Antibodies do drop but…