Strep Throat: Group A Strep is the cause of many sore throats. The body does form antibodies (IgG and IgM) to the organism. There are many different types of Group A strep which makes complete immunity rare. With some strains of strep there is a cross reactivity with heart valves leading to Rheumatic Heart Disease. Checking for strep and being treated is a good idea.
Answered 11/29/2014
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