this post was submitted on 11 Jun 2024
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[โ€“] [email protected] 6 points 5 months ago (1 children)

This happened early on with COVID-19. Testing was sparse and focused on those that had traveled or had known contacts with infected individuals, meanwhile there was community spread and retroactive testing of samples from blood donors found that some samples tested positive for COVID-19 antibodies even though they were collected before the first CDC confirmed infections in the US.

[โ€“] [email protected] 3 points 5 months ago

Thus once again proving that time is a flat circle.