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"I have read that the antibodies work with T cells which can still give immunity after the antibodies can’t be detected anymore"
Ah - the infamous 'T cells'...
I can recommend the Centre for Evidence Based Medicine's primer on T cells and Covid: https://www.cebm.net/covid-19/what-is-the-role-of-t-cells-in-covid-19-infection-why-immunity-is-about-more-than-antibodies/
It's not as straightforward as some social media commentators might suggest.
"How does this dial into ODX ?
So people will have immunity but not necessarily antibodies. And people who have had covid, may eventually have neither antibodies NOR immunity. Given the above, Am I right that a negative antibody test doesn't tell you ANYTHING about the person. They may have no antibodies but be immune, or have no antibodies and not be immune ?"
It dials into ODX as there will need to be longitudinal studies to confirm how long antibodies last in various cohorts. For example, there may be differences between naturally induced and vaccine induced antibodies. There may also be differences in antibody longevity between various vaccines.
We need to treat any claims around longevity with a certain level of caution, given that we are in the early stages of understanding this particular virus - and that the range of tests being used to measure antibodies at the moment are of varying quality internationally.
T cell interaction doesn't dial into ODX, as T cells cannot be easily detected with a field test.
I have read that the antibodies work with T cells which can still give immunity after the antibodies can’t be detected anymore
"But you also have to take into account that active immunity is not always long-lasting, or lifelong."
How does this dial into ODX ?
So people will have immunity but not necessarily antibodies. And people who have had covid, may eventually have neither antibodies NOR immunity. Given the above, Am I right that a negative antibody test doesn't tell you ANYTHING about the person. They may have no antibodies but be immune, or have no antibodies and not be immune ?
“ No no no. You do not understand how immunity works. The body does not continually produce antibodies if there is no virus in the body, its a complete waste of energy. Lymphocytes in the body retain the 'knolwedge' for want of a better word, allowing them to start producing the entibodies if the virus enters the body again. Lack of antibodies DOES NOT mean lack of immunity.”
But you also have to take into account that active immunity is not always long-lasting, or lifelong.
"So even with a vaccine, we will need ongoing antibody testing to tell us when we need a booster, could be every three months."
No no no. You do not understand how immunity works. The body does not continually produce antibodies if there is no virus in the body, its a complete waste of energy. Lymphocytes in the body retain the 'knolwedge' for want of a better word, allowing them to start producing the entibodies if the virus enters the body again. Lack of antibodies DOES NOT mean lack of immunity.
Please stop making things up or twisting things to suit your position.
Just likevbheg ssidvfir aids. Poor old rock Hudson.
Guess we will be a novelty in years to come. Bit like the morv9mb and wise and two rookies. And Benjamin hillbilly show
Agree.
Testing is here for years.
Just watch the mm drop this at 8am catch out the folks who don’t understand the omega portfolio of tests and the fact that if antibodys do fade it will only increase the need for testing for them not decrease it dyor gla
https://www.itv.com/news/2020-10-26/covid-19-antibody-levels-reduce-over-time-study-finds
So even with a vaccine, we will need ongoing antibody testing to tell us when we need a booster, could be every three months.