<prompt> Waterhouse-Friderichsen syndrome is seen inPneumococciNeisseria meningitidisPseudomonasYersinia  <response>: Fulminant meningococcemia caused by Neisseria meningitidis is called Waterhouse Friderichsen syndrome. Fatal condition - characterized by shock, disseminated intravascular coagulation and multisystem failure. Meningococcal disease is ored by the deficiency of the terminal component C5-C9. Reference: Textbook of Microbiology; Anathanarayan and panickers; 10th edition; Page no: 232 