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Tracking the next pandemic: Avian Flu Talk

Test result times?

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hoosiermom22 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hoosiermom22 Quote  Post ReplyReply Direct Link To This Post Topic: Test result times?
    Posted: March 09 2020 at 8:18am

Do we know an actual turn around time for test results? Someone posted on another thread that testing began in Indiana on March 6, trying guess when a volume of results may start trickling in. Thanks!

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Little House View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Little House Quote  Post ReplyReply Direct Link To This Post Posted: March 09 2020 at 9:35am

I think that Ohio said that their tests were taking 24-48 hours, but I can’t find the link now.  Maybe there really are not that many cases here in the Midwest? Maybe that is why we are not seeing many (in IN) or any (in OH) cases?  Maybe?

Realistically, I think that we are a couple of weeks behind the coasts.  I am sure that it will get here soon enough.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote CRS, DrPH Quote  Post ReplyReply Direct Link To This Post Posted: March 09 2020 at 9:59am

They use polymerase chain reaction (PCR) technology, which can be very rapid for only a few tests (24 hours or less), but longer as samples pile up. 

PCR requires specialized equipment, trained operators AND approved test kits from CDC.  The test kits have been delaying things. 

I'd say that turnaround would be 3 to 5 days in most locals at this point.  They are trying to do triage for testing and testing only the most suspect cases....if you have a case of the sniffles, they won't do PCR.  

Also, not every state health department has testing capabilities (Wyoming is one I saw that didn't).  So it depends upon where you live.  California is probably pretty nuts right now.  Washington State seems to be doing a very good job, I think Microsoft/Bill Gates is helping out.

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Post Options Post Options   Thanks (1) Thanks(1)   Quote cindylouflu Quote  Post ReplyReply Direct Link To This Post Posted: March 09 2020 at 10:19am

I'm not sure if this copy/paste is gonna work.  Lab reporting critical component shortage required to run test (RNA extraction kit).  Here goes:

https://twitter.com/michaelmina_lab/status/1236928983993909248


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ksc View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ksc Quote  Post ReplyReply Direct Link To This Post Posted: March 09 2020 at 3:18pm

CDC

@CDCgov
 ·
As of March 9, 78 state and local public health labs across 50 states now have the capacity to test up to 75,000 people for #COVID19. State/local public health staff determine which specimens should be tested. See updated interim testing guidance: https://bit.ly/331U9jY.
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WitchMisspelled View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WitchMisspelled Quote  Post ReplyReply Direct Link To This Post Posted: March 09 2020 at 3:23pm

Is that collectively or individual to each lab?

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SheriAnn View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SheriAnn Quote  Post ReplyReply Direct Link To This Post Posted: March 10 2020 at 7:10pm

I just read this regarding testing  from worldometers.info:


 Testing positive after being declared clear of the infection: a 31-year-old evacuee from the Diamond Princess cruise ship was first infected on Feb 18 while aboard, but later appeared to have recovered and tested negative on March 4 and 6 in Japan before returning to Hong Kong on March 7. On March 9, she was found to be still infected. Disease expert Dr Joseph Tsang Kay-yan said several reasons such as sampling error and “insufficiently sensitive” tests could have accounted for the woman’s “false negative” results in Japan. “Perhaps the swab was not done properly, or an antibody blood test was not done.” In any case she would have to be tested for a particular type of antibody 21 days after the diagnosis, before results can be conclusive that she was clear of the virus. He believes the woman was not reinfected
 as her antibodies upon recovering would give her immunity for a period of time 

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