Exam (elaborations)
Singapore qPCR Test Kits | PCR is still the gold standard for COVID-19 testing
Singapore qPCR Test Kits | PCR is still the gold standard for COVID-19 testing
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, PCR is still the gold standard for COVID-19 testingWhat is PCR?
It stands for polymerase chain reaction. It is a
method to identify the presence of the virus. It
“searches” for a particular gene unique to the
virus. Once that gene is found, it then makes
many copies of that gene (much like a
photocopying machine). Eventually, the process
makes millions of copies of that gene, which
then generates sufficient fluorescent signals to
be detected.
PCR can detect the presence of the virus once
the person is infected. Hence, it is still the most
accurate method for COVID-19 infection.
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