According to the graph in the figure, B cells will first produce effector cells between 0 and 4 days. This is why an antibody test for COVID-19 can be done so early after infection. This is a false statement.
What is a B cell?
Immune cells are those cells that protect the body from foreign harmful pathogens by different methods, such as cell-mediated immunity, innate immunity, etc. After the attack of COVID, the body first identifies it and activates the T cell and then the B cell. As shown in the graph, the B cell divides and produces antibodies against the COVID, and antibody production increases after 1 week, nearly on the 14th day. So it takes time, and no antibody production begins with the initial infection.
Hence, antibody production cannot occur at the start of a COVID infection. This is a false
Learn more about the B cell here.
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