Waterhouse-Friderichsen syndrome is caused by: (A) Neisseria, (B) Chlamydia, (C) Hemophilus influenza type b, (D) Listeria
Answer is A. 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