3576
A transfusion of 320 ml 1 - hour - old normal whole blood on the fifty - second day resulted in transitory elevation of the C3 level to 25 mg / dl with a fall - off ( approximately 2 1 / 2 % per hour ) to undetectable levels by 69 hours ; it was followed by disappearance of the skin rash and arthralgias and return to normal of the previously elevated temperature and CRP levels .
 skin rash, arthralgias
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 skin rash, arthralgias