Cobus Loots, CEO of Pan African Resources, on delivering sector-leading returns for shareholders. Watch the video here.
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High-risk patients with #COVID symptoms should use PCR rather than rapid tests, study suggests
The sensitivity of rapid tests was 47%, compared with RT-PCR and 80% versus viral culture.
https://www.cidrap.umn.edu/covid-19/high-risk-patients-covid-symptoms-should-use-pcr-rather-rapid-tests-study-suggests
It's been my thought for awhile , they just didn't have the trained staff , you can't just magic up experienced staff and maybe the first machines needed that , hence later in the outbreak they bought out easier machines to use
Hi exmex ..... Crux .....
Early in 2021 Stephen Kidd (NHS) and Jo Martin ( director of Pathology NHS) co authored a study which compared the different rapid direct to PCR tests that were on the market . These are the figures that were published for the care homes trial using exsig direct and the in-house NHS validation of exsig direct.
Care homes trial- 1172 samples
152 true positives
1017 true negatives
2 false positives
1 false negatives
OPA 99.7%
NHS validation of exsig direct -483 samples
132 true positives
341 true negatives
0 false positives
10 false negatives
OPA 99.7%
These figures are completely at odds with what the DHSC is saying.
It's also worth noting that the manual that accompanied these tests contained the following instructions.
The Exsig COVID -19 Direct (CE IVD) assay is intended for use by qualified and trained clinical laboratory personnel specifically instructed and trained in handling sars- cov-2 positive samples and the techniques of real time PCR and in vitro diagnostic procedures.
How did the DHSC meet these requirements when the tests were sent to hospitals? Did they plan to move staff from the larger labs to be trained how to use the Q16s and Q32s devices at a time when there was not enough staff to go round.
Meanwhile buys appear to outweigh sells 20 to 1 and the sp doesn’t even quiver.
The sp tends to creep up here when no one's paying attention and retrace once everyone's caught on.
A slow and steady move towards a quid in the run up to trial/settlement news I hope.
Ok so after all the initial excitement yesterday we still managed to end the day DOWN!!!! The Bourse is open today so let's see how today pans out.
Hi razzab. ...I have a key ..and come and go ...
No not locked in , hope you're well Rooster !
Poor Gizmo and Karen. Are you still locked in here chickens?
Hi Kaeren .....what usually happens initially when products are outsourced .problems.what happens when people work day and night pressured ..mistakes.. blame of anyone ....Asked.... to help when the problem is moving and changing quicker than the answers.... Don't sit well
Yes Ventura , I noted that . If a manufacturing fault or design issue than you would have expected a consistent fail rate across all labs , not a range of 10 % to 25 % and no mention of the 7th labs results. Most odd. Without doubt Twigger will have picked up on that .
Lol, be great if they've dug their own grave and the 7th lab was one we trained .
Strange this supposed design manufacturing fault wasn't identified during the 50 training sessions , pretty certain the Nova staff would have noticed pdq if they were getting unexpected results.
This section of their defence interested me :-
"Exsig failed at an unacceptable rate due to design and/or manufacturing defects and therefore lacked robustness", Mr Heppinstall told the court.
He said that Exsig tests were analysed in seven NHS laboratories, six of which found a failure rate higher than 10% - including four reporting a failure rate of 25%.
No mention was made of the 7th and I hope we pick up on this in court.
Could it be the 7th Lab were better trained and therefore their results would have given a much higher success rate.
These surely would have been identical tests provided by us.