In the cantons of Basel-Stadt and Basel-Landschaft, antibodies against SARS-CoV-2 have been detected in approximately 21% of the adult population. Therefore, seroprevalance has markedly increased since autumn of last year. Furthermore, the COVCO-Basel study by the Swiss Tropical and Public Health Institute (Swiss TPH) is now publishing preliminary results regarding the effects that the pandemic and the measures implemented to contain it are having on the well-being and lifestyles of the population for the first time.
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