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. 2021 Apr 25:1–10. doi: 10.1080/17476348.2021.1917389

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Figure 2.. — Algorithm for the management of suspected COVID-19 cases during the course of the pandemic

Ag-RDT: Antigen rapid diagnostic test, Ig-RDT: Immunoglubin rapid diagnostic test. Color represents symptomatic (sympt), suspected (susp), contacted (cont), and non-suspected (non-susp) cases. Symptomatic and suspected cases, as well as cases with possible/confirmed contacts, or cases with no history, and evidence for infection with SARS-CoV-2, is shown here. As no test is 100% accurate and false results can occur, COVID-19 positivity is stated as ‘current evidence’ with precautions. Both false-positive and false-negative test result possibility is depicted in each test type. Regarding Ig-RDTs, positivity for IgM/IgA and/or IgG should be combined with all the aforementioned criteria. CLDs should be considered in every testing type and further management. RDTs are not to be existed necessarily, the algorithm is simply summarizing the whole testing cases.