<prompt> Waterhouse-Friderichsen syndrome is caused byNeisseriaChlamydiaHemophilus influenza type bListeria  <response>: Meningococcemia sometimes occurs without meningitis and may progress to fulminant DIC and shock with bilateral hemorrhagic destruction of the adrenal glands Waterhouse-Friderichsen syndrome.Ref: Sherris microbiology; 6th edition; Page no: 540 