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re: Coronavirus Disease 2019 (COVID-19) ***W.H.O. DECLARES A GLOBAL PANDEMIC***

Posted on 9/25/20 at 1:15 pm to
Posted by Sasquatch Smash
Member since Nov 2007
24073 posts
Posted on 9/25/20 at 1:15 pm to
quote:


- low power with only 350 participants and they don’t discuss how these people were selected.


Looking back at this, the smaller number of 350 were people of the 615 healthy volunteers that tested during the two different time periods.

So, it was a smaller subsample that gave them the info that the IgM antibodies waned over time.

Definitely not the most powerful of studies, regardless. Good pilot information, and a jumping off point for larger studies elsewhere.
Posted by Scrimpin Gary
ATX
Member since Feb 2013
1073 posts
Posted on 9/26/20 at 8:08 am to
I believe I read somewhere that the antibodies have a half-life for mild patients of 35 days or so.

I’m curious about how accurate testing is as well. My wife (no pics) had negative antibody tests this month (not sure what type of test). In March my child’s daycare teacher was hospitalized for Covid (history of asthma and respiratory issues). Well the school shut down and my family all got sick. We couldn’t get tested due to the supply being held for the elderly at the time. But the doctors told us our symptoms fit the profile and to self quarantine. I’m assuming there are many out there who’ve had it yet no longer have antibodies. Is that where T cells come In to play? Can those people get the virus again due to low numbers of anti bodies or are these tests just looking at the wrong types of antibodies in the blood?
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