text: <unk>  is a disease of infants. It is characterized by an abrupt rise in body temperature to as high as 40°C (104°F) followed by a rapid drop to normal within the next 2–4 days which coincides with the appearance of an erythematous maculopapular skin rash that persists for 1–3 days. It is typically a benign disease which resolves without sequelae.<unk>  disease is caused by Human herpes virus 6 (HHV6). HHV-6A and HHV-6B are two distinct species of HHV-6.
option_0: Roseola
option_1: Ebola
option_2: Measles
option_3: Mumps
option_4: Cat scratch fever
option_5: Smallpox
option_6: Chickenpox
option_7: Babesiosis