More than 18 million people worldwide suffer from rheumatoid arthritis, including nearly 1.5 million Americans.

Rheumatic fever (RF) is a fairly rare inflammatory condition in developed countries that can develop as a complication of untreated strep throat caused by group A streptococcal infections. It ...

Rheumatic fever is a complication of a bacterial infection triggered by an atypical immune response. Rheumatic heart disease is a complication of rheumatic fever characterized by damage to the valves ...