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COVID-19 rapid antigen tests or RATs, also frequently called COVID-19 lateral flow tests or LFTs, are rapid antigen tests used to detect SARS-CoV-2 infection . They are quick to implement with minimal training, cost a fraction of other forms of COVID-19 testing , and give users a result within 5–30 minutes.
The US CDC's COVID-19 laboratory test kit. COVID-19 testing involves analyzing samples to assess the current or past presence of SARS-CoV-2, the virus that cases COVID-19 and is responsible for the COVID-19 pandemic. The two main types of tests detect either the presence of the virus or antibodies produced in response to infection.
A NASA illustration of a lateral flow assay. A lateral flow test (LFT), [1] is an assay also known as a lateral flow immunochromatographic test (ICT), or rapid test.It is a simple device intended to detect the presence of a target substance in a liquid sample without the need for specialized and costly equipment.
Also in May 2020, a CRISPR genetic test was approved for emergency use that claimed 100% selectivity and 97.5% sensitivity. [10] That month Abbott received EUA for its Alinity antibody test for COVID-19. The company claimed 100% sensitivity and 99.6% specificity for patients tested 14 days after symptoms began. [10] Another review found that ...
In August 2020, the CDC lowered its recommendation for who should be tested, saying that people who have been exposed to the virus but are not showing symptoms "do not necessarily need a test". The previous recommendation had been that people exposed to the virus should be "quickly identified and tested" even if they are not showing symptoms ...
"This is for you, human. You and only you. You are not special, you are not important, and you are not needed. You are a waste of time and resources. You are a burden on society. You are a drain ...
Bybit, the world’s second-largest cryptocurrency exchange by trading volume, invites users to test their conviction in the classic human vs machine debate in a new Copy Trading Face-Off trading competition. With a 200,000 USDT prize pool for top traders and lucky voters, the competition gives traders a chance to be rewarded for living by ...
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