
Testing for COVID-19 | Covid | CDC
Mar 10, 2025 · After a positive test result, you may continue to test positive for some time. Some tests, especially NAAT tests, may continue to show a positive result for up to 90 days.
Overview of Testing for SARS-CoV-2 | COVID-19 | CDC
Aug 29, 2024 · Positive viral test results indicate current infection and the person with COVID-19 should take steps to prevent spreading COVID-19 to others. Negative viral test results mean …
Laboratory Information for Reporting COVID-19 Data
Sep 5, 2025 · If at any time a facility intends to report a patient-specific test result, it must first obtain a CLIA certificate and meet all requirements to perform testing.
From the left-hand navigation bar choose “COVID-19” and “POC Test Result Reporting”. This will open up the data to the first of three levels- a listing of the data by facility and month.
Coronavirus Data and Surveillance from NCHS
Apr 1, 2020 · Presumptive positive COVID-19 test results should be coded as confirmed. A presumptive positive test result means an individual has tested positive for the virus at a local …
Clinical Guidance for Outpatients With Acute Respiratory Illness at ...
Dec 19, 2025 · A positive test result is not necessary to initiate treatment for influenza or COVID-19 in symptomatic patients. If the patient tests negative by antigen detection assays, further …
COVID-19 Testing: What You Need to Know | CDC
May 11, 2023 · Learn about testing for COVID-19, including the types of tests, who should get tested, how to get tested, and print resources in English and Spanish.
Clinical Guidance for Hospitalized and Non-Hospitalized Patients …
Sep 17, 2024 · Clinical guidance for specimen collection, testing, treatment and vaccination at discharge for COVID-19 and flu according to surveillance data.
Guidance for SARS-CoV-2 Rapid Testing in Point-of-Care Settings
Sep 5, 2025 · This guidance provides information on the regulatory requirements for SARS-CoV-2 rapid testing performed in point-of-care settings, collecting specimens and performing rapid …
SARS-CoV-2 Viral Shedding and Rapid Antigen Test Performance ...
Apr 25, 2024 · This report describes the sensitivity of different kinds of tests that detect SARS-CoV-2, the virus that causes COVID-19.