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This document provides a brief description of the Antigen Test. It provides basic information on how this test can be used in the diagnosis and surveillance of a pathogen such as SARS-CoV-2 virus, the cause of COVID-19 Pandemic.
Interpreting the result of a test for covid-19 depends on two things: the accuracy of the test, and the pre-test probability or estimated risk of disease before testing. A positive RT-PCR test for covid-19 test has more weight than a negative test because of the test’s high specificity but moderate sensitivity.
Valid Antigen Rapid Test Results. POSITIVE RESULT: Two colored lines appear. A colored line should always appear in the Control (C) region and another line should be in the Test (T) region. A positive result indicates detection of SARS-CoV-2 antigens in the sample.
22 cze 2021 · This practice pointer considers how to interpret and communicate results from LFD tests based on our current understanding of the tests’ performance. Lateral flow devices can detect the presence of a target substance in a liquid, typically in a single use disposable …
Recommendations to Healthcare Providers on Interpreting Antigen Test Results for Diagnostic Purposes1. Asymptomatic2. Antigen Negative. Antigen Positive. Repeat Testing4 Negative Positive. After being exposedto COVID-19, continue to follow precautions and mask when indoors through day 10. Symptomatic (Test immediately)3. Antigen Positive.
Anyone who has a positive LFD test result is advised to act as if they have symptoms of covid-19—ie, they and their household should isolate and arrange a confirmatory polymerase chain reaction (PCR) test within two days.
Presentation of (A) an antigenic test cassette processing the result, (B) an antigenic test cassette interpreted as a negative result, (C) an antigenic test cassette interpreted as a positive...
