ST Alpha - "What’s the source for the high false positives antibody? I thought the scientific community agreed that the roche and Abbott tests are over 99pct effe" (Reading a Post)

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In response to "But I'll add that one of the real problems with this disease is its stealthiness. There are asymptomatic infected, a false negative rate on testing " by pmb

What’s the source for the high false positives antibody? I thought the scientific community agreed that the roche and Abbott tests are over 99pct effe

Posted by JackDawson (aka dawson) May 10 '20, 14:06

Ctive

Responses:

the Roche and Abbott tests detect the virus, not the antibodies. antibody tests are harder to develop, and haven't been entirely nailed down yet. -- nm - mafic May 10, 17:47
Here is one article. It's possible that it's improved since then, but I have heard many stories about this. It's also very possible/likely that those aren't the only tests being used. -- (link*) - pmb May 10, 14:11 10
- Here's another. -- (link) - pmb May 10, 14:15 9
  - Yeah...that article says that there are three antibody tests— as of three weeks ago — that did not delivery false positives over 99pct of the time. - JackDawson May 10, 14:26 8
    - Yes, but there are 14 tests on the market. Those 3 aren't the only ones being used. Also, even those 3 gave false negatives at least 10% of the time - pmb May 10, 14:53 7
      - These are anti body tests. Undercounting just means people will not know they’re immune which is a problem that leads to more safety not less - JackDawson May 10, 14:57 6
        
        You're ignoring the other 11 tests that exist. It's great that there are accurate ones. Those are not the only ones being used at this point. - pmb May 10, 15:01 5
        
        I’m not ignoring them and I’m not saying the effective ones are available widely. All I’m saying is that the tests that do work suggest that the - JackDawson May 10, 17:36 2
        
        Who was disputing that? -- nm - pmb May 10, 18:07
        
        sort of kind of? you can model all of this. large-scale studies in places where they're estimated to be getting almost all symptomatic cases - mafic May 10, 18:07
        
        On the flip side, the first thing that I've found hopeful in a while was a Dr. on George Stephonopolous' show today who expects to begin clinical - pmb May 10, 15:13 1
        
        nice -- nm - mud May 10, 15:19

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