The serology studies in Italy are unfortunately underpowered because of a dumb decision: any person positive with IgG (which appear after or very close to the e

The serology studies in Italy are unfortunately underpowered because of a dumb decision: any person positive with IgG (which appear after or very close to the end of the infectious period) would have to quarantine then wait for a double negative PCR test. Thanks to this, only half of the expected people participated.