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  • PCR or Rapid Test: Which Is Better? - Verywell Health
    Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States The PCR typically relies on lab testing and is still considered the "gold standard" for accuracy The rapid tests are commonly at-home tests, with new options that
  • What’s the difference between a PCR and antigen COVID-19 test?
    PCR tests are extremely accurate but require special lab equipment – like the PCR heating machine seen here – and can take hours or days to perform Karl Mumm via Wikimedia Commons, CC BY-SA Looking for genetic evidence The first step for either kind of test is to get a sample from the patient This can be a nasal swab or a bit of saliva
  • PCR vs. rapid test: Differences and more - Medical News Today
    Antigen and PCR tests diagnose COVID-19 Read about how these tests differ in their method of determining results, accuracy, timing, skill requirement, and costs
  • COVID-19 Test Basics | FDA - U. S. Food and Drug Administration
    Molecular tests, such as polymerase chain reaction (PCR) and other nucleic acid amplification tests (NAATs) tests, which detect genetic material called RNA from the virus ;
  • COVID-19 diagnostic testing - Mayo Clinic
    The lab technique used is called reverse transcription polymerase chain reaction, shortened to RT-PCR You also may see this type of test called an NAAT test, short for nucleic acid amplification test PCR tests are more accurate than the other type of COVID-19 test, called an antigen test PCR tests may be done at home
  • How Accurate Are Rapid COVID Tests? What Research Shows
    The first type is a polymerase chain reaction (PCR) test, also called a diagnostic test or molecular test A PCR test can help diagnose COVID-19 by detecting the genetic material of the coronavirus
  • Entenda as diferenças entre RT-PCR, antígeno e autoteste
    Uma das principais estratégias no combate à pandemia, a testagem para detectar a Covid-19 é essencial para monitorar o cenário epidemiológico do país e acompanhar a transmissão do vírus Hoje, o Brasil tem dois principais tipos de testes já em uso para detectar o vírus Sars-Cov-2: RT-PCR e teste rápido de antígeno
  • Johns Hopkins Medicine-Led Study Shows Rapid COVID-19 Tests . . .
    The first step for both the PCR and rapid antigen tests is obtaining a sample from a patient, either by nasal swab or collected saliva The difference lies in how the sample is processed and analyzed A PCR test takes a tiny bit of SARS-CoV-2 genetic material from a sample and reproduces it thousands of times so it can be more easily detected





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