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Emerg Infect Dis ; 26(12): 2970-2973, 2020 12.
Article in English | MEDLINE | ID: covidwho-792953

ABSTRACT

Dried blood spot (DBS) samples can be used for the detection of severe acute respiratory syndrome coronavirus 2 spike antibodies. DBS sampling is comparable to matched serum samples with a relative 98.1% sensitivity and 100% specificity. Thus, DBS sampling offers an alternative for population-wide serologic testing in the coronavirus pandemic.


Subject(s)
COVID-19/diagnosis , Dried Blood Spot Testing/methods , Antibodies, Viral/immunology , COVID-19 Serological Testing/methods , Case-Control Studies , Dried Blood Spot Testing/economics , Humans , Predictive Value of Tests , SARS-CoV-2/immunology , Spike Glycoprotein, Coronavirus/immunology , Spike Glycoprotein, Coronavirus/isolation & purification
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