<prompt> All are true about rheumatic fever, EXCEPT :Common in poor socioeconomic groupDevelops after streptococci pharyngitisCommunicable diseaseSeen in 5- 15 year of children  <response>: Ans. is c Communicable disease Rheumatic feverThe incidence of rheumatic fever has declined in developed countries while in developing countries it remains a significant problem.Etiology - Rheumatic fever is associated with infection of the Pharynx and Tonsils by Group A beta hemolytic streptococcus.Peak age of Incidence is 5-15 years. It is not a communicable disease.Rheumatic fever occurs as a result of immunological hypersensitivity type II or type III to streptococcal antigens. 