The ‘Everyone’s Got It’ Theory

Microbiologist Milagros Sola processes coronavirus tests in a lab at Madigan Army Medical Center at Joint Base Lewis-McChord, Wash., April 14, 2020. (David Ryder/Reuters)
We’re undercounting COVID cases, but by how much?

NRPLUS MEMBER ARTICLE O ne of the biggest unknowns regarding COVID-19 is how many people get the disease, recover from it, and develop immunity without being captured in our official statistics — perhaps without showing symptoms at all. Some suggest this number could be incredibly high indeed, implying that the disease spreads quickly but has a lower-than-expected fatality rate.

We should have good answers on this soon thanks to “serology” tests, which detect whether someone has antibodies for COVID (meaning they had the virus at some point in the past even if they are not currently infected). But here I’d like to offer a quick


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