An international team of scientists has published the results of a large-scale study that has shown that the level of the body's immune defense may depend on blood type. In particular, it concerns the ability of different blood types to produce interferons - special proteins that play a key role in fighting viruses and other pathogens.
According to the results, the highest efficiency of the immune response is observed in people with the fourth blood group - their body produces interferons in 92% of cases. This indicates a high level of readiness of the immune system to fight infections.
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The third blood group shows an almost similar figure — 91%.
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The first group produces interferons in about 80% of cases, which provides generally strong, but somewhat weaker immunity.
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The lowest levels were found in carriers of the second blood group - only 40% of cases produced interferons. This may indicate a reduced ability of the body to resist infections.
The authors of the study believe that the results obtained may have practical significance for medicine, in particular for personalized approaches to strengthening immunity. In the future, these data may be taken into account in the field of prevention and therapy of viral diseases.

