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Coronavirus: What does a presumptive positive PCR test result mean?

What happens next? The lab performs a procedure called extraction, where they isolate genetic material from the sample to check if any virus is present. Special chemicals are then used to create a reaction that makes millions of copies of a portion of the Sars-Cov-2 virus’s genetic material. One chemical creates a reaction that lights up in a fluorescent colour if the virus is detected. What does a PP, or presumptive positive, result mean? The result is inconclusive. It might be positive but it needs to be repeated again in three days, said Dr Engy Iskandar, a specialist in internal medicine at Dubai s International Modern Hospital.

How China fell behind after passing up a vaccine opportunity

Apr 15, 2021 The call came early in the COVID-19 pandemic. Drew Weissman, an infectious diseases professor at the University of Pennsylvania and an expert in messenger RNA, received a query from a Chinese company interested in using the new technology to make a vaccine against the coronavirus. The technology, which effectively turns the body’s cells into tiny vaccine-making factories, has since become the breakout star of the COVID-19 era, underpinning shots made by Moderna Inc. and the Pfizer Inc./BioNTech SE partnership which have been among the most effective in fighting the disease. Before the coronavirus hit, though, the experimental science had yet to receive regulatory approval for use against any illness let alone against the mysterious infection.

I never heard from them again : A missed vaccine opportunity has left Chinese companies scrambling

‘I never heard from them again’: A missed vaccine opportunity has left Chinese companies scrambling We’re sorry, this service is currently unavailable. Please try again later. Dismiss By Bruce Einhorn Save Normal text size Advertisement The call came early in the COVID-19 pandemic. Drew Weissman, an infectious diseases professor at the University of Pennsylvania and an expert in messenger RNA, received a query from a Chinese company interested in using the new technology to make a vaccine against the coronavirus. mRNA, which effectively turns the body’s cells into tiny vaccine-making factories, has since become the breakout star of the COVID era, underpinning shots made by Moderna and the Pfizer/BioNTech partnership which have been among the most effective in fighting the disease. Before COVID hit, though, the experimental science had yet to receive regulatory approval for use against any illness - let alone against the mysterious respiratory infection.

How China fell behind after passing up a vaccine opportunity

How China fell behind after passing up a vaccine opportunity
japantimes.co.jp - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from japantimes.co.jp Daily Mail and Mail on Sunday newspapers.

How China Passed Up a Vaccine Opportunity and Fell Behind

How China Passed Up a Vaccine Opportunity and Fell Behind Bloomberg 2 hrs ago Bruce Einhorn (Bloomberg) The call came early in the Covid-19 pandemic. Drew Weissman, an infectious diseases professor at the University of Pennsylvania and an expert in messenger RNA, received a query from a Chinese company interested in using the new technology to make a vaccine against the coronavirus. mRNA, which effectively turns the body’s cells into tiny vaccine-making factories, has since become the breakout star of the Covid era, underpinning shots made by Moderna Inc. and the Pfizer Inc./BioNTech SE partnership which have been among the most effective in fighting the disease. Before Covid hit, though, the experimental science had yet to receive regulatory approval for use against any illness let alone against the mysterious respiratory infection.

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