Author Topic: Dropping Antibody Levels  (Read 37461 times)

Offline PlatinumGuy

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Re: Dropping Antibody Levels
« Reply #280 on: January 23, 2021, 07:35:20 PM »
But it's excellent news that 11 months later I'm still at the high end of the range.
I wonder if it was boosted by further exposure.
״וזה כלל גדול: שישנא אדם כל דבר שקר. וכל מה שיוסיף שנאה לדרכי השקר Ė יוסיף אהבה לתורה.״ - אורחות צדיקים

Offline Dan

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Re: Dropping Antibody Levels
« Reply #281 on: January 23, 2021, 07:44:22 PM »
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Offline Dan

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Re: Dropping Antibody Levels
« Reply #282 on: January 23, 2021, 07:46:48 PM »
I wonder if it was boosted by further exposure.
Certainly possible. No way to know, as this was my first quant titer.
My son had COVID last month, but nobody else in the family tested positive on multiple PCRs each.

Anyone else going to take the Roche quant titer (Labcorp test 164090)? Would love to see comps.
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Offline skyguy918

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Re: Dropping Antibody Levels
« Reply #283 on: January 24, 2021, 11:48:21 PM »
Took this, 192.6 U/mL. Anything over 0.8 is considered positive.
The total range is 0.4-250 U/mL.

Curious how this compares to other people who had COVID or had the vaccine. But it's excellent news that 11 months later I'm still at the high end of the range.
Anyone else going to take the Roche quant titer (Labcorp test 164090)? Would love to see comps.
NYC Health & Hospitals was using a quantitative Roche antibody test as far back as Sukkos at least, but it doesn't appear to be the same exact test. The cutoff was .99, not .81, and they didn't provide a total range.

https://www.fda.gov/media/137603/download

Offline yitzgar

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Re: Dropping Antibody Levels
« Reply #284 on: January 24, 2021, 11:51:44 PM »
Took this, 192.6 U/mL. Anything over 0.8 is considered positive.
The total range is 0.4-250 U/mL.

Curious how this compares to other people who had COVID or had the vaccine. But it's excellent news that 11 months later I'm still at the high end of the range.
How much does the test cost? Does insurance cover?

Offline Dan

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Re: Dropping Antibody Levels
« Reply #285 on: January 30, 2021, 07:30:07 PM »
Took this, 192.6 U/mL. Anything over 0.8 is considered positive.
The total range is 0.4-250 U/mL.

Curious how this compares to other people who had COVID or had the vaccine. But it's excellent news that 11 months later I'm still at the high end of the range.
My father got the Pfizer vaccine and took this test.
Results were >250 U/mL, which is above the max level the test detects.
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Offline AsherO

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Re: Dropping Antibody Levels
« Reply #286 on: January 30, 2021, 08:10:38 PM »
My father got the Pfizer vaccine and took this test.
Results were >250 U/mL, which is above the max level the test detects.

Nice. Thatís after 1st dose?

Offline Dan

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Re: Dropping Antibody Levels
« Reply #287 on: January 30, 2021, 08:14:22 PM »
Nice. Thatís after 1st dose?
2 doses.
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Offline S209

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Re: Dropping Antibody Levels
« Reply #288 on: January 30, 2021, 09:02:14 PM »
2 doses.
How long afterwards? My second dose of Moderna is the week of Purim..
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Offline Dan

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Re: Dropping Antibody Levels
« Reply #289 on: January 30, 2021, 09:05:00 PM »
How long afterwards? My second dose of Moderna is the week of Purim..
He took the test 2 weeks after his 2nd dose.
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Re: Dropping Antibody Levels
« Reply #290 on: January 30, 2021, 11:14:40 PM »
My father got the Pfizer vaccine and took this test.
Results were >250 U/mL, which is above the max level the test detects.
And another person 2 weeks post 2nd dose also tested >250 U/mL.
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Offline biobook

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Re: Dropping Antibody Levels
« Reply #291 on: January 30, 2021, 11:17:00 PM »
My father got the Pfizer vaccine and took this test.
Results were >250 U/mL, which is above the max level the test detects.
Could be genetic, since both you and your father have such eleffated antibody levels.

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Re: Dropping Antibody Levels
« Reply #292 on: January 31, 2021, 10:23:38 AM »
Could be genetic, since both you and your father have such eleffated antibody levels.

If it's not genetic, what are the odds of such levels? 1 in a thousand?
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Offline Dan

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Re: Dropping Antibody Levels
« Reply #293 on: January 31, 2021, 10:26:03 AM »
If it's not genetic, what are the odds of such levels? 1 in a thousand?
I got a very nice wedding present from someone who wrote "if only your name was alpayim and not eleff"
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Re: Dropping Antibody Levels
« Reply #294 on: February 09, 2021, 10:43:26 AM »
Just retested my family for antibodies. 7/8 have antibodies, which is consistent with our testing in September. Most of us got Covid in March 2020.

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Re: Dropping Antibody Levels
« Reply #295 on: February 11, 2021, 11:43:52 AM »
What is the most accurate antibody test?

@Dan is it still Roche 164068?

Offline Dan

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Re: Dropping Antibody Levels
« Reply #296 on: February 11, 2021, 11:48:56 AM »
What is the most accurate antibody test?

@Dan is it still Roche 164068?
Yes, for qual.
If you want quant, Roche 164090. But this test takes more time, needs more blood, and potentially costs more.
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Offline AsherO

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Re: Dropping Antibody Levels
« Reply #298 on: February 11, 2021, 01:48:43 PM »
https://www.timesofisrael.com/landmark-israeli-study-suggests-covid-patients-stay-immune-after-antibodies-fade/

They say that antibody levels spiked for COVID recoverees after their 1st dose (compared to non-recoverees), similar to the 2nd dose boost. What they don't say is how those spikes compare for recoverees whose antibodies waned. If all they did was aggregate the data it shows nothing about the issue in question (per the headline).

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Re: Dropping Antibody Levels
« Reply #299 on: February 20, 2021, 08:48:49 PM »
Where can i get the "Roche 164068"  test in Lakewood?