J Infect Dev Ctries
September 2024
Introduction: We investigated the effect of two preanalytical variables, temperature change and freezing-thawing of serum samples, on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) IgG levels.
Methodology: Serum samples were collected from patients who had coronavirus disease 2019 (COVID-19) prior to vaccination. Six serum samples were included, two each with high positivity (HP), low positivity (LP), and a level of close-to-detection limit (CDL) for SARS-CoV-2 IgG.
Purpose: Phenotypic methods have been proposed for the detection of carbapenemase production. These tests can have slower turnaround times. With the sensitivity-based algorithm described by Gill et al.
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