Many viruses can cause<unk>  and are shed by carriers without symptoms. Because of this and the fact that most children with the disease are not seriously ill, there is no particular method of prevention. Proper hygienic measures, like regular handwashing, can be implemented as a routine method of prevention. Those who have been exposed or infected have been shown to shed the virus for the rest of their lives. Because of this, there are no current guidelines regarding children staying home or away from child-care when infected.
Roseola
Rubella
Ebola
Scarlet fever
Measles
Mumps
Smallpox
Chickenpox