Immunologist Nikolai Kryuchkov explained why antibodies to coronavirus can quickly disappear. In an interview with Vechernaya Moskva, he named four factors that reduce this figure.
The doctor said that the age of 55 years, the presence of chronic diseases, especially innate immunity and taking immunosuppressive drugs accelerate the disappearance of antibodies to COVID-19 after vaccination or a previous illness. According to him, some patients do not develop enough immunity to infection.
“According to spring studies, it turned out that in ten percent of those who had been ill, antibodies were not produced in the required amount. And in another 25 percent, they leave in three to four months to levels that are not determined by test systems, “Kryuchkov emphasized.
In addition, the older a person is, the weaker they develop antibodies to coronavirus. Severe chronic diseases can lead to immunodeficiency, Kryuchkov noted. Also, taking immunosuppressive drugs is reflected in the level of antibodies.
Source: Rosbalt
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