Avidin has now developed a method for measuring B-cell immunity.
Our body defends itself against pathogens in 3 main ways. We have already learned about antibody control during the coronavirus epidemic. Antibodies start to be produced by the body as a result of infection and they neutralize the viruses within us. Vaccines are intended to promote the formation of these antibodies without infection. If someone has a high number of antibodies in their body, they are certainly protected from developing a serious infection during that period. However, as time goes on, the number of antibodies gradually decreases and may disappear completely after a long time. However, this does not necessarily mean that we have become defenseless, as so-called T-cell immunity also exists. These white blood cells recognize the pathogens, ingest them, and then die with them. Measuring this is much more complicated, but some private laboratories, including Avidin Ltd. in Szeged, have already developed the appropriate method (see our previous NEWS).
Also, there is a third defense system, the B-cell protection. These are memory cells that upon infection they begin to produce antibodies. The number of B-cells correlates with the antibody level, as their number decreases sharply when the infection passes, but they remain in small numbers in the blood and the bone marrow.
– This test is recommended for those who have been infected or vaccinated in the past, months, or even a year ago. They may not have any antibodies at all, but if they have such memory cells, they may be protected from the development of the disease, said László Puskás, CEO.