Regarding Modified duke’s criteria for Infective endocarditis,  all are true except: (A) Positive blood culture for typical Infective endocarditis organisms from2 separate blood cultures, (B) 2 positive cultures from samples drawn atleast 12 hours apart., (C) Single positive blood culture positive for staphylococcus aureus, (D) Phase 1 IgG antibody titer>1:800
Answer is C. Single positive blood culture positive for coxiella burnetti is one of the criteria for diagnosis of Infective endocarditis.