Seroprevalence study from Spain, seemingly well designed (random sampling of households), 70K subjects, reveals 5% of country w/ antibodies with considerable geographic variation, infection fatality rate of 1.1%, 90% of cases undetected.https://english.elpais.com/society/2020-05-14/antibody-study-shows-just-5-of-spaniards-have-contracted-the-coronavirus.html …
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What do you mean first wave 16k?
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First wave of serological tests. People with valid tests are 61K not 16K. The PDF provides results in two columns for the first and second week of first wave by provinces. Still pending are the results from ELISA tests. There is a second wave, at least, that starts next week.
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