If you know so much about PCR as to have a negative opinion of its usefulness in diagnosing disease, it does nothing for your credibility to illustrate your point with a photo of a lateral flow antigen assay.
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@ekverstania It's common among the antivaxxer/ virus denier crowd. I can sort-of excuse the average layperson for not knowing, but not someone who has any opinion at all about PCR.
@higgsri Same. I've never even seen any COVID-19 test in real life, only in photos.