Coronavirus ANTIBODY TESTING IN STURGIS is likely to give FALSE or MISLEADING results to concerned bikers.
TLDR: If you arrived at the rally on Saturday 08 Aug & were exposed to CoV that day, you might have detectable IgM antibodies today, 13 Aug. MIGHT.
Let me explain…
THREAD
When a person is infected with a new virus, a healthy immune system immediately gets to work to track down the infected cells, kill those cell, attack the virus, and set into motion the production of antibodies.
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ANTIBODIES are molecules that attach to the virus, destroying it directly or by activating other immune responses that prevent further replication of the virus in our cells. Antibodies are very specific to a particular virus.
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Among the very specific antibodies produced to fight a specific infection, there are several “classes”. The first to show up are IgM. Later, similarly specific but more durable and long-lasting IgG antibodies are produced.
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Antibody tests are not all same. Some look for IgM, some look for IgG, some look for both. It takes days to weeks after a person becomes infected to produce antibodies so most labs recommend WAITING AT LEAST 8 DAYS from onset of symptoms or known/suspected exposure.
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Furthermore, one may have been exposed/infected on day 5 of their visit so getting tested on day 8 after arrival would also give a FALSE or MISLEADING result. Getting the test on way out of town is a WASTE of $$ and resources.
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Having an coronavirus antibody test too soon after exposure is likely to be negative even in the presence of infection. The antibody test is not for entertainment.
END
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