Surveillance testing for COVID-19 includes ongoing systematic activities, including collection, analysis, and interpretation of health-related data, essential to planning, implementing, and evaluating public health practice. What does a negative result on a home Covid-19 test really mean? Negative results for all antigen tests are considered presumptive negative. 160 0 obj <>stream Positive COVID test? Guidelines for symptoms, self-tests, quarantine endstream endobj 153 0 obj <>>> endobj 154 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/TrimBox[0 0 612 792]/Type/Page>> endobj 155 0 obj <>stream False negative test result: unaware of their infection and could infect others. PDF Protocols for Presumptive, Positive and Negative COVID-19 Cases Screening testing for COVID-19 looks for infections in individual people even if there is no reason to suspect the specific person has an infection or known COVID-19 exposure. %PDF-1.6 % Facts Not Fears: 'Presumptive positive' vs 'positive - WCSH Understanding COVID-19 Test Results | Rush System endstream endobj 183 0 obj <. Isolation means you stay home and away from others (including household members) for the recommended period of time to avoid spreading illness. Negative test result True negative: You are not currently infected. There are three levels the CDC uses to classify a potential case of COVID-19: Coronavirus cases reported to the CDC include both CDC-confirmed cases and presumptive positive cases reported by the states. Neither target 1 or target 2 were detected. The CDPH Color Laboratory Network (CLN) is responsible for processing all samples within 48 hours of receipt. NAATs can use many different methods to amplify nucleic acids and detect the virus, including but not limited to: Since the beginning of the COVID-19 pandemic, both the number and types (methods and technologies) of NAATs authorized for emergency use by the U.S. Food and Drug Administration (FDA) for the detection of SARS-CoV-2 have increased. CDC twenty four seven. Please be re-evaluated immediately for worsening symptoms such as shortness of breath or lightheadedness. A presumptive positive test result means an individual has tested positive for the virus at a &[}mfZ}S=%>/Flfv=s7na,p)lErpp.um%X=.;ukucWh}?M~rFm0lD$ZloL;s]D'b8L51~;tba5Z Almost all positive results are true positives. Dictionary.com Unabridged The test is an aid for diagnosis of COVID-19/Influenza A+B and only provides a presumptive test result for the SARS-CoV-2, influenza A and influenza B virus. If the testing environment does not have the resources or the ability to access laboratory-based NAATs, POC NAATs can also be used for confirmatory testing.
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