Aug 24, 2024 · A single NAAT test can be used to confirm an antigen test result. *Self-tests, or at-home tests, are antigen tests that can be taken anywhere without having to go to a specific testing site. Read self-test package inserts thoroughly and follow the instructions closely when performing the test. When you get tested

Jun 17, 2024 · Understanding TB blood test or TB skin test results. A positive test result for TB infection means you have TB germs in your body. Your health care provider will do other tests to determine if you have inactive TB or active TB disease. These tests may include a chest x-ray, and a test of the sputum (phlegm) you cough up.

Sep 22, 2022 · Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People

Aug 8, 2024 · The post-test probability or predictive values (positive and negative predictive values) of an influenza virus test depend upon the prevalence of circulating seasonal influenza viruses in the patient population, and the specific test characteristics (sensitivity and specificity) compared to a "gold standard" comparison test (molecular assay or ...

Dec 11, 2024 · The HPV test and the Pap test can help prevent cervical cancer or find it early. The HPV test looks for the virus (human papillomavirus) that can cause cell changes on the cervix. The Pap test (or Pap smear) looks for precancers, cell changes on the cervix that might become cervical cancer if they are not treated appropriately.

Jan 16, 2025 · If a test result is positive for influenza A virus but negative for seasonal influenza A virus subtypes [i.e., A(H1) and A(H3)], the virus detected might be a novel influenza A virus, such as influenza A(H5), and specimens should be prioritized for shipment to a public health laboratory for additional testing.

Jan 31, 2025 · If the TB skin test is used for baseline testing of U.S. health care personnel, use two-step testing. Two-step testing. If the first TB skin test result is negative, a second TB skin test should be done 1 to 3 weeks later. If the second TB skin test result is positive, it is probably a boosted reaction.

The HPV test and the Pap test can help prevent cervical cancer or find it early. The HPV test looks for the virus (human papillomavirus) that can cause cell changes on the cervix. The Pap test (or Pap smear) looks for precancers, cell changes on the cervix that might become cervical cancer if they are not treated appropriately.

Apr 10, 2024 · Monospot test. The Monospot test is not recommended for general use. The antibodies detected by Monospot can be caused by conditions other than infectious mononucleosis. Moreover, studies have shown that the Monospot produces both false positive and false negative results.

Apr 2, 2024 · CDC serologic test CDC and the Food and Drug Administration developed a serologic assay that has been useful for confirming diagnosis, especially during suspected pertussis outbreaks. A few state public health laboratories have included this assay as part of their testing regimen for pertussis.