<prompt> Regarding Modified dukes criteria for Infective endocarditis, all are true exceptPositive blood culture for typical Infective endocarditis organisms from2 separate blood cultures2 positive cultures from samples drawn atleast 12 hours apart.Single positive blood culture positive for staphylococcus aureusPhase 1 IgG antibody titer1:800  <response>: Single positive blood culture positive for coxiella burnetti is one of the criteria for diagnosis of Infective endocarditis. 