
Testing and Respiratory Viruses | Respiratory Illnesses | CDC
Aug 18, 2025 · Testing can help you find out if you are infected with a certain respiratory virus. While testing doesn't change how likely you are to catch or spread respiratory viruses, or how severe your …
Overview of Testing for SARS-CoV-2 | COVID-19 | CDC
Aug 29, 2024 · Learn about the tests available for COVID-19, their differences, and health equity in testing.
About Human Metapneumovirus | Human Metapneumovirus | CDC
Apr 11, 2024 · Since there are no treatments for HMPV, healthcare professionals may not routinely consider or test for HMPV. However, testing can help distinguish HMPV from other infections and …
H7N9 Virus Testing for Laboratories | Bird Flu | CDC
Nov 26, 2024 · CDC has developed diagnostic test materials to specifically detect the avian influenza A (H7N9) virus that was first identified in China in 2013. These test materials include rRT-PCR …
Clinical Testing and Diagnosis for Hepatitis B
Jan 31, 2025 · Learn about CDC recommendations for routine hepatitis B testing, vaccination, and follow-ups.
Getting Tested for HIV | HIV | CDC
Feb 11, 2025 · Your test results depend on the type of HIV test and where you get tested. With a rapid antibody test, usually done with blood from a finger stick or with oral fluid, results are ready in 30 …
Diagnostic Testing for RSV | RSV | CDC
Aug 30, 2024 · Diagnostic Testing for RSV What to know Several types of laboratory tests can confirm RSV infection. Nucleic acid amplification tests (NAATs), such as PCR tests, are highly sensitive and …
Interpreting Influenza Testing Results When Influenza is Circulating ...
Dec 19, 2025 · This algorithm assists in the interpretation of influenza testing results and clinical decision-making during periods when influenza viruses are circulating in the community.
Laboratory Testing for Varicella-Zoster Virus (VZV)
May 10, 2024 · Learn about lab testing for varicella-zoster virus, the cause of chickenpox and shingles.
Diagnosis for Flu | Influenza (Flu) | CDC
Oct 3, 2022 · There is a test that will check for seasonal flu type A and B viruses and SARS-CoV-2, the virus that causes COVID-19. This test is being used by U.S. public health laboratories for …