Testing for COVID-19 | COVID-19 | CDC
Mar 10, 2025 · A negative COVID-19 test means the test did not detect the virus, but this doesn't rule out that you could have an infection. If you used an antigen test, follow FDA …
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.
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 …
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 …
Surveillance and Data Analytics | COVID-19 | CDC
Sep 5, 2025 · This page provides an overview of COVID-19 data and trends over time. Other COVID-19 related data visualizations (previously on CDC’s COVID Data Tracker) are provided …
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.
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.
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.