Testing not accurate? - Graybeard Outdoors
 
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post #1 of 2 (permalink) Old 04-04-2020, 06:08 PM Thread Starter
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Default Testing not accurate?

Testing, Testing, Testing...

CV-19 Testing that is. Turns out there may be lots of false positives. CDC isn't using the same test other countries use. Appears to be flawed. Only some have really questioned their numbers but it's almost impossible to discuss. The pandemic has become the new sacred cow. Here is an explanation of the CDC's Testing SNAFU:

https://www.propublica.org/article/c...-covid-19-test

CORONAVIRUS

Key Missteps at the CDC Have Set Back Its Ability to Detect the Potential Spread of Coronavirus

The CDC designed a flawed test for COVID-19, then took weeks to figure out a fix so state and local labs could use it. New York still doesn’t trust the test’s accuracy.

As the highly infectious coronavirus jumped from China to country after country in January and February, the U.S. Centers for Disease Control and Prevention lost valuable weeks that could have been used to track its possible spread in the United States because it insisted upon devising its own test.

The federal agency shunned the World Health Organization test guidelines used by other countries and set out to create a more complicated test of its own that could identify a range of similar viruses. But when it was sent to labs across the country in the first week of February, it didn’t work as expected. The CDC test correctly identified COVID-19, the disease caused by the virus. But in all but a handful of state labs, it falsely flagged the presence of the other viruses in harmless samples.

As a result, until Wednesday the CDC and the Food and Drug Administration only allowed those state labs to use the test — a decision with potentially significant consequences. The lack of a reliable test prevented local officials from taking a crucial first step in coping with a possible outbreak — “surveillance testing” of hundreds of people in possible hotspots. Epidemiologists in other countries have used this sort of testing to track the spread of the disease before large numbers of people turn up at hospitals.

This story is based on interviews with state and local public health officials and scientists across the country, which, taken together, describe a frustrating, bewildering bureaucratic process that seemed at odds with the urgency of the growing threat. The CDC and Vice President Mike Pence’s office, which is coordinating the government’s response to the virus, did not respond to questions for this story. It’s unclear who in the government originally made the decision to design a more complicated test, or to depart from the WHO guidance.

“We’re weeks behind because we had this problem,” said Scott Becker, chief executive officer of the Association of Public Health Laboratories, which represents 100 state and local public laboratories. “We’re usually up-front and center and ready.”

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post #2 of 2 (permalink) Old 04-04-2020, 10:17 PM
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The Propublica article is dated....2/29/20. There were accuracy problems with the WHO tests. There was a problem with quality of CDC tests a few weeks ago. But things have been moving quickly.

The main problem now is that there have not been enough complete test kits, an issue that still exists in Michigan. Not enough nasal swabs the other day. Exacerbated by bottlenecks due to limited lab capacity at CDC, state labs, and private labs. One private lab had a backlog of 160,000 tests.....a bit more than half of what had been sent to it. This will be resolved, but it will take time.

This past week two quick tests, one taking 45 minutes and one taking 15 minutes, were launched. Some Abbott Lab 15 minute test machines were sent to Detroit but I have not seen any feedback on how they are working.

Regardless, we still don't have sufficient testing capacity to conduct surveillance tests and have to rely on horizontal interdiction.....broad and dedicated social distancing.

Last edited by M134 Troll; 04-04-2020 at 10:22 PM.
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