477
Participants
Start Date
April 10, 2020
Primary Completion Date
May 30, 2021
Study Completion Date
December 31, 2021
blood draw
2x 10ml of blood, one vial to obtain the antibodies and one vial in ethylenediaminetetraacetic acid (EDTA) (or citrate-treated) to obtain peripheral blood mononuclear cells (PBMCs)
fingertip tests for POC assays
performing POC test by taking two blood drops from the fingertip
saliva collection
saliva collection: the patient delivers saliva into an adsorbent filter, which is placed in the Salivette tube, centrifuged at 1,600x g for 15 min at 4°C to remove cells and debris. Native supernatant is used for testing.
collection of swabs
collection of nasopharyngeal and oropharyngeal swabs for PCR testing on the control group (eg negative subpopulation)
Department of Health, Economics and Health Directorate Canton Basel-Land, Liestal
ETH Zurich (Switzerland)
OTHER
Health Department of the Canton of Basel-Stadt
OTHER_GOV
University Hospital, Basel, Switzerland
OTHER