Self-reported serological test
7 variables.
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Blood sample for SARS-Cov-2 immunity assessment, since <lastdate>
Have you had one or more samplings (blood, urine, or else) to assess your immunity to the novel coronavirus since <cclqldate>?
cclq05Blood sample for SARS-Cov-2 immunity assessment, since <lastdate>
Have you had one or more samplings (blood, urine, or else) to assess your immunity to the novel coronavirus since <cclqldate>?
cclq05aPositive immunity result, since <lastdate>
Did any specimen taken detect a novel coronavirus infection (positive test) since <cclqldate>?
cclq05bImmunity test type: Blood drawing
Do you recall which type of test was performed? Venous blood draw
cclq05c1Immunity test type: Finger prick
Do you recall which type of test was performed? Fingertip prick test
cclq05c2Immunity test type: Other
Do you recall which type of test was performed? Other test
cclq05c3Immunity test type: Prefer not to respond/don’t know
Do you recall which type of test was performed? Prefer not to respond/Do not know
cclq05c4