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 the test did …

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 …

The test is a pass/fail test that determines whether you can detect a test agent, such as through taste, smell, or an involuntary cough. The OSHA-accepted fit test protocols provide complete …

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, …

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

It is the only kind of TB skin test solution that is FDA-approved for this test method. After 48–72 hours, the skin test reaction must be examined by a trained health care worker. The health …

Because the immune system continues to make the antibodies for months or years after an infection is gone, your blood test will remain positive after the bacteria are no longer present. …

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 …

These assays can be used for preliminary identification of norovirus when testing multiple specimens during outbreaks. However, samples that test negative should be confirmed by a …

Waived tests include test systems cleared by the FDA for home use and those approved for waiver under the CLIA criteria. While CLIA requires waived tests to be simple and low-risk, …