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  2. Viral disease testing - Wikipedia

    en.wikipedia.org/wiki/Viral_disease_testing

    The UK spent $20 million for antibody tests that proved flawed. [7] In May 2020, a rapid antigen test from Quidel Corporation received EUA for detecting SARS-CoV-2. [8] Test results were said to be available at point of care within 15 minutes. [9] Sensitivity is 85%. [1]

  3. COVID-19 testing - Wikipedia

    en.wikipedia.org/wiki/COVID-19_testing

    COVID-19 Antigen Rapid Test Kit; the timer is provided by the user. Mucus from nose or throat in a test liquid is placed onto a COVID-19 rapid antigen diagnostic test device. COVID-19 rapid testing in Rwanda. An antigen is the part of a pathogen that elicits an immune response. Antigen tests look for antigen proteins from the viral surface.

  4. AbC-19 rapid antibody test - Wikipedia

    en.wikipedia.org/wiki/AbC-19_rapid_antibody_test

    The test uses a single drop of blood obtained from a finger prick and yields results in 20 minutes. The sensitivity of this test is 98.03% while the specificity is 99.56%. [1] This test is paired with an easy-to-use mobile app which allows a trained professional to generate an antibody test certificate for storing on a person's smartphone. [1] [2]

  5. Sensitivity and specificity - Wikipedia

    en.wikipedia.org/wiki/Sensitivity_and_specificity

    In medical diagnosis, test sensitivity is the ability of a test to correctly identify those with the disease (true positive rate), whereas test specificity is the ability of the test to correctly identify those without the disease (true negative rate). If 100 patients known to have a disease were tested, and 43 test positive, then the test has ...

  6. Titer - Wikipedia

    en.wikipedia.org/wiki/Titer

    For example, the indirect Coombs test detects the presence of anti-Rh antibodies in a pregnant woman's blood serum. A patient might be reported to have an "indirect Coombs titer" of 16. This means that the patient's serum gives a positive indirect Coombs test at any dilution down to 1/16 (1 part serum to 15 parts diluent).

  7. Diagnosis of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_HIV/AIDS

    The eclipse period is a variable period starting from HIV exposure in which no existing test can detect HIV. The median duration of the eclipse period in one study was 11.5 days. The window period is the time between HIV exposure and when an antibody or antigen test can detect HIV. The median window period for antibody/antigen testing is 18 days.

  8. Immunoassay - Wikipedia

    en.wikipedia.org/wiki/Immunoassay

    In immunology the particular macromolecule bound by an antibody is referred to as an antigen and the area on an antigen to which the antibody binds is called an epitope. In some cases, an immunoassay may use an antigen to detect for the presence of antibodies, which recognize that antigen, in a solution.

  9. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    It is determined by collecting data from vast numbers of laboratory tests. ... Prostate specific antigen (PSA) 40–49 years: 1.2 ... Anti-citrullinated protein ...