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  2. 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.

  3. Periodontal examination - Wikipedia

    en.wikipedia.org/wiki/Periodontal_examination

    The Periodontal Screening and Recording (PSR) is increasingly used in the United States, Canada and Brazil. The Basic Periodontal Examination (BPE) is extensively used in the United Kingdom and New Zealand. The Primary Essential Periodontal Examination (PEPE) is used in Australia. All these methods use the WHO 621 probe. [1]

  4. COVID-19 testing in the United States - Wikipedia

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

    Free at-home COVID-19 test from U.S. Federal government. By August, the overall ratio of positive to total tests was close to seven percent—well above the five percent the WHO considers to be the threshold for containment. [44] Trump has offered conflicting opinions about testing.

  5. COVID-19 rapid antigen test - Wikipedia

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

    A 2022 study followed 225 adults and children with COVID-19 over 15 days using PCR tests, viral cultures, and home RATs. [29] It found that the sensitivity of the RAT (Quidel QuickVue) increased from 0% two days prior to symptom onset or first positive PCR test to 77% four days after symptom onset or first positive PCR test, with an overall ...

  6. Rapid antigen test - Wikipedia

    en.wikipedia.org/wiki/Rapid_antigen_test

    A COVID-19 Rapid Antigen test(top) with a Covid-19 Rapid Antigen and a Influenza A&B Rapid Antigen Test(bottom) A rapid antigen test (RAT), sometimes called a rapid antigen detection test (RADT), antigen rapid test (ART), or loosely just a rapid test, is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or absence of an antigen.

  7. COVID variant HV.1 is still spreading. These are its most ...

    www.aol.com/news/covid-variant-hv-1-now...

    A new COVID-19 variant, HV.1, is now the dominant strain in the U.S. Here's what to know about HV.1 symptoms, transmission, and how it affects the new booster.

  8. Development of COVID-19 tests - Wikipedia

    en.wikipedia.org/wiki/Development_of_COVID-19_tests

    The development of COVID-19 tests was a major public health priority during the early months of the COVID-19 pandemic. In January 2020, scientists from China published the first genetic sequences of SARS-CoV-2 via virological.org , [ 3 ] a "hub for prepublication data designed to assist with public health activities and research". [ 4 ]

  9. Periodontology - Wikipedia

    en.wikipedia.org/wiki/Periodontology

    Periodontology or periodontics (from Ancient Greek περί, perí – 'around'; and ὀδούς, odoús – 'tooth', genitive ὀδόντος, odóntos) is the specialty of dentistry that studies supporting structures of teeth, as well as diseases and conditions that affect them.