Unknown hazards of infection.
D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000150:complications*; D006801:Humans; D007244:Infectious Mononucleosis / Q000150:complications; D009107:Mumps / Q000150:complications; D012409:Rubella / Q000150:complications; D014777:Virus Diseases / Q000150:complications