what are the symptoms of fifths disease in adults?
['Low-grade fever.', 'Bright red cheeks.', 'A flat or raised red rash, usually on the arms and legs, which lasts from two to 39 days and may itch; the rash fades from the center of red areas toward the edges, giving it a lacy appearance. ... ', 'Less commonly, headache, sore throat, and joint pain.']