Collect the nasal sample using the swabs provided in the kits.Once the sample is ready, you can use it with the test device and then read the results.The instructions for all four self-test kits may differ slightly. For instance, the QuickVue test uses a test strip dipped in the buffer solution. On the other hand, the kit manufactured by Abbott involves dripping the buffer solution on a rapid test device.
ARTs have lower sensitivity than the polymerase chain reaction tests. HSA in a press release clarified that it means such tests have a “higher chance of false-negative results.”: Incorrect sample preparation or testing process when using the test, or a low viral protein level in the user’s nasal sample – for instance, one to two days after potential exposure to the virus – could also result in a false-negative result.
He said, “A properly done test will “carry a similar sensitivity” to a PCR test, especially if it is repeated every three to five days.”Sensitivity here refers to the test’s ability to correctly detect COVID-19 in individuals with the. On the other hand, specificity refers to the test’s ability to correctly identify individuals without COVID-19.
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