Medicine General fcfffecf 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 High-Yield Explanation Single positive blood culture positive for coxiella burnetti is one of the criteria for diagnosis of Infective endocarditis.