Posted by Joey on Wednesday, November 19, 2008 at 8:31pm.
non-contagious?
The body's reaction to a normally harmless substance it a(n)__________.
vaccine
fever
allergy
disability
What do you think the answer is?
fever
You get a fever when your body reacts to an infection -- which is not normally a harmless substance.
http://www.nlm.nih.gov/medlineplus/ency/article/002229.htm
i know it's not vaccine or disability.
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