Questions tagged [antibodies]

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Do covid vaccines increase the risk of antibody-dependent enhancement?

A QAnon video which takes Nobel Prize winner Luc Montagnier's suspect claims about covid vaccination and multiplies them beyond recognition states that mass vaccination will lead to mass ADE, and that ...
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What protection does T-cell immunity confer for Covid?

This preprint, which was just released today, says that while some of the Covid-19 variants evade antibody immunity, they do not evade T-cell immunity. It says that this is true both of T-cell ...
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Effects of anti-Rh(D) antibodies on the fetus

Rh disease is caused by the irruption in the fetal circulation of anti-Rh(D) antibodies. This only happens when there has been a prior exposure of the mother to Rh+ RBC. To prevent Rh sensitization ...
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Is there any information on the lifespan of SARS-CoV-2 antibodies?

Like all cells, antibodies die off after a period of time. A human body may (or not) be able to efficiently replace or replicate these antibodies. Whether the original antibodies were generated ...
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What are some better alternatives to HIV antibody test?

I've been having HIV symptoms for more than 4-5 months, I reran the antibody test for five times it all became negative, the doctor said that you didn't have to worry about HIV anymore as all the ...
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Does the saliva of a person just recovered from an infectious disease help to cure another persons having the same disease?

I have always had this 'weird' thought (But could never quite test it...). Would the saliva contain antibodies, or other immuno-boosting substances that can help fight off the same pathogen in another ...
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Why was the fact that the Fc-part of an antibody is crystallizable important enough that the part was named after it? (Fc ="Fragment crystallizable")

The typical Y-shape structure of an antibody is often further divided into three parts which correspond to the fragments one obtain when the antibody is digested by the protease papain. Those are: ...