text: <unk><unk>  usually develops in children, just like colds or the flu are common in children. This disease is most common in 3-15 year olds with males and females being equally affected. By the age of 10 years most children have acquired protective antibodies and<unk><unk>  at this age or older is rare.[dubious  – discuss]
option_0: Scarlet fever epidemiology and demographics
option_1: Typhoid fever epidemiology and demographics
option_2: Diphtheria epidemiology and demographics
option_3: Listeriosis epidemiology and demographics
option_4: Chickenpox epidemiology and demographics
option_5: Relapsing fever epidemiology and demographics
option_6: Lassa fever epidemiology and demographics
option_7: Rocky Mountain spotted fever epidemiology and demographics