Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Rheumatic Fever ?
    ### Response:
    What are the signs and symptoms of Rheumatic Fever? Rheumatic fever is primarily diagnosed in children between the ages of 6 and 16 and can affect many different systems of the body, including the heart, joints, nervous system and/or skin. The condition usually develops approximately 14-28 days after infection with group A Streptococcus bacteria, such as strep throat or scarlet fever.
    