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Message: <blockquote data-quote="imhotep" data-source="post: 25844317" data-attributes="member: 562115">Correct... PCR is the Gold Standard. OTOH Rapid Antigen tests are way faster and cheaper.  The Chinese rapid tests were rejected as substandard from multiple countries across the world including India. Even the Abbott (USA) developed machines were found to be not accurate enough when tested by the Harvard University. The same situation with Korean developed machines. Too many false positives. But a false positive only affects only the person who is suspect as he has to quarantine.  No harm other than inconvenience to him.What's far worse is, in asymptomatic cases, the tests perform worse. The levels of virus are likely to be lower in any individual infected person, thus causing a false negative. This is a disaster as this person thinks he does not have the infection will carry his normal work and infect many others. The false negatives can be high as 29% which is not acceptable at all.</blockquote>

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