Can’t over rely on PCR tests, say health experts

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An over reliance on PCR tests to detect Covid-19 may not be an effective strategy to fight the pandemic, say experts.PETALING JAYA: Two public health experts have urged authorities to exploit the advantages of different Covid-19 tests to maximise the chances of success in limiting transmissions.They referred to recent research published in the medical journal The Lancet that says an over reliance on PCR tests to detect Covid-19 may not be an effective strategy to fight the pandemic.PCR is short for “polymerase chain reaction”. PCR tests are highly sensitive and accurate in detecting Covid-19. They can pick up remnants of the virus weeks after the patient has been cleared and is no longer infectious.Noting studies showing that patients are typically contagious for only four to eight days, the experts told FMT rapid tests which might be less sensitive but better at detecting inf…