Testing for COVID-19 has become part of the new normal. Maybe you have symptoms and wonder if it's COVID-19. Or you are planning to travel and need to show a negative test result. Whatever your reason for testing, you may be wondering about PCR vs. antigen testing and which type is right for you.Mol
Recently, high-profile public figures have received unusually rapid test results, including Tesla CEO Elon Musk. "Some very fake things are happening," Musk tweeted. "Tested four times for COVID-19 today. Two tests came back negative; two came back positive. Same machine, same test, same nurse."Anot
Antigen tests look for viral proteins rather than the genetic material of the virus. They cannot detect very small amounts of virus, so you need a higher amount of virus in your sample to get a positive result. This means you're most likely to get accurate results when you have the most virus in you
A test commonly used to identify the presence of starch in a sample is the iodine test. One of the two components of starch, specifically amylose, reacts with iodine to produce the dark blue color. While the presence of simple carbohydrates can also be detected using Benedict's solution, starches an
Rapid antigen tests-how to use them effectivelyThe rise of the highly transmissible delta variant across the U.S. has increased demand for rapid antigen COVID-19 tests that can be purchased from a pharmacy without a prescription, used at home, school or work, and administered in 15 minutes results w
At this point in the pandemic, chances are you or someone you know has been tested for COVID-19 at least once. But do you know which test you took and the pros and cons of these different tests?Two main types of tests are used to diagnose SARS-CoV-2 infection: molecular tests (better known as PCR te
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