Rheumatic polyarthritis is an inflammatory lesion of the connective tissue of the joints that develops as a result of a previous streptococcal infection. Today, this disease is one of the manifestations of the systemic inflammatory response syndrome.
It is important to understand that the exact causes of the development of rheumatic polyarthritis have not been established. However, there are suggestions that metabolic products of streptobacilli and antigen-antibody immune complexes that enter the blood during this infectious process play an important role in the development of the disease. The body’s immune system usually reacts to a pathogen that has penetrated inside with an adequate response - the production of antibodies against it, however, the formation of an inflammatory reaction occurs only in the case of direct contact with bacteria and their products