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. 2021 Nov 2;73(9):e3116-e3119.
doi: 10.1093/cid/ciaa1630.

Coronavirus Disease 2019 Serial Testing Among Hospitalized Patients in a Midwest Tertiary Medical Center, July-September 2020

Takaaki Kobayashi  1 , Alexandra Trannel  1 , Stephanie A Holley  1 , Mohammed A Alsuhaibani  1   2 , Oluchi J Abosi  1 , Kyle E Jenn  1 , Holly Meacham  1 , Lorinda L Sheeler  1 , William Etienne  1 , Angelique Dains  1 , Fernando Casado  1 , Mary E Kukla  1 , Emily K Ward  1 , Bradley Ford  1 , Michael B Edmond  1 , Melanie Wellington  1 , Daniel J Diekema  1 , Jorge L Salinas  1
Affiliations

Coronavirus Disease 2019 Serial Testing Among Hospitalized Patients in a Midwest Tertiary Medical Center, July-September 2020

Takaaki Kobayashi et al. Clin Infect Dis. .

Abstract

We implemented serial coronavirus disease 2019 testing for inpatients with a negative test on admission. The conversion rate (negative to positive) on repeat testing was 1%. We identified patients during their incubation period and hospital-onset cases, rapidly isolated them, and potentially reduced exposures. Serial testing and infectiousness determination were resource intensive.

Keywords: COVID-19 diagnostic testing; Cycle threshold; diagnostic screening programs; infection control.

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