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  2. Pandemic Severity Assessment Framework - Wikipedia

    en.wikipedia.org/wiki/Pandemic_Severity...

    A team of Brazilian researchers preliminarily assessed the severity of the COVID-19 pandemic using the PSAF in April 2020 based on Chinese data as at 11 February 2020. In their preliminary assessment, they rate COVID-19's scaled transmissibility at 5 and its scaled clinical severity at 4 to 7, placing the COVID-19 pandemic in the "very high ...

  3. COVID-19 testing - Wikipedia

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

    Test errors can be false positives (the test is positive, but the virus is not present) or false negatives, (the test is negative, but the virus is present). [179] In a study of over 900,000 rapid antigen tests, false positives were found to occur at a rate of 0.05% or 1 in 2000.

  4. 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.

  5. You can still be contagious with COVID if you have a negative ...

    www.aol.com/news/still-contagious-covid-negative...

    If you get two negative at-home COVID test results 48 hours apart after previously testing positive, you are likely no longer contagious. But how long that will take is "wholly dependent on the ...

  6. How common are false-positive COVID tests? Experts weigh in.

    www.aol.com/lifestyle/common-false-positive...

    Accuracy varies among each test, but Ellume says that its test has a 96 percent accuracy rate in detecting symptomatic cases of COVID-19 and 91 percent accuracy in detecting asymptomatic cases ...

  7. What should you do if you’re still testing positive for COVID ...

    www.aol.com/news/still-testing-positive-covid-19...

    But it’s not unheard of for people to test positive for longer than that on a rapid COVID-19 test, even up to 14 days, Stephen Kissler, Ph.D., an assistant professor of computer science at the ...

  8. COVID-19 rapid antigen test - Wikipedia

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

    COVID-19 rapid antigen tests (RATs) have been widely used for diagnosis of COVID-19. The World Health Organization (WHO) COVID-19 Case Definition states that a person with a positive RAT (also known as an antigen rapid diagnostic test or Antigen-RDT) can be considered a "confirmed case of SARS-CoV-2 infection" in two ways. [10]

  9. Doctor: Trump tests negative for coronavirus - AOL

    www.aol.com/article/news/2020/03/14/doctor-trump...

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