And, most obviously, the early detection issues with at-home antigen tests mean that it can be a good idea to get a laboratory PCR test to be safe. Moreover, they also offer group testing services, such as those for schools and businesses. Thermo Fisher says its COVID-19 tests accurately detects Omicron Comparing the Accuracy of COVID-19 Tests During Omicron - Contagion Live SALON is registered in the U.S. Patent and Trademark Office as a trademark of Salon.com, LLC. COVID-19 PCR tests, also known as polymerase chain reaction (PCR) tests, are the most commonly used type of test to detect whether an individual has been infected with SARS-CoV-2, the virus that causes COVID-19. Rapid antigen tests are good for assessing whether someone is contagious. Lateral flow tests use antibodies to detect viral proteins, or antigens, in the nasal passages. Therefore, Omicron testing must be done to help curb the spread of the infection. Should you get a COVID test? The best time to test after exposure This sensitivity may decrease further, due to the genetic changes in the virus over time. The original omicron causes a dropped . Most false-positive results are thought to be due to lab contamination or other problems with how the lab has performed the test, not limitations of the test itself. Just to be safe, it's best to test multiple times, according to Dr. Piedra. Rapid tests seem to be less sensitive for newer COVID variants in general, a letter published in April by researchers from the Harvard T.H. If you are symptomatic you should get a PCR test. These testswhich look for the presence of genetic material from the virusare highly . Story at a glance. ------------------------------------------. A new study . Dr Michael Mina is a former associate professor at Harvard University and is now chief science officer of eMed, which supplies at-home test kits. The confusion may stem in part from a nickname given to this strain.
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