Prevalence of SARS-CoV-2 in Household Members and Other Close Contacts of COVID-19 Cases: A Serologic Study in Canton of Vaud, Switzerland.
Julien DuprazAudrey ButtyOlivier DuperrexSandrine EstoppeyVincent FaivreJulien ThabardClaire ZuppingerGilbert GreubGiuseppe PantaleoJérôme PasquierValentin RoussonMalik EggerAmélie Steiner-DubuisSophie VassauxEric MassereyMurielle BochudSemira Gonseth NussléValérie D'AcremontPublished in: Open forum infectious diseases (2021)
During semiconfinement, household members of a COVID-19 case were at very high risk of getting infected, 3 times more than close contacts outside home. This highlights the need to provide clear messages on protective measures applicable at home. For elderly couples, who were especially at risk, providing external support for daily basic activities is essential.