Meningoencephalitis due to primary HIV infection. Exceptionalism extends to all "serious infectious diseases".
Brewster
Martin F
MF
D003937:Diagnosis, Differential; D005334:Fever / Q000209:etiology; D015658:HIV Infections / Q000150:complications*; D006801:Humans; D008590:Meningoencephalitis / Q000821:virology*