<prompt> H.parainfluenzae requires factor:VVIVIIX  <response>: Ans: A V Factor V X are accessory growth factors which is present in blood- Ananthanarayan 9th327speciesGrowth requirementHemolysis on horse blood agar X V CO2 H influenzae - - H aegyptius - - H ducreyi VARIABLE VARIABLE H. parainfluenzae - - - H. haemolyticus - H. parahaemolyticus - - h aphrophilus - - H paraphrophilus - - 