Parvovirus B19 Infection (Fifth disease or slapped Face)
There is one confirmed case of slapped face at school.
Infection caused by parvovirus B19 generally causes only a mild illness. However if a pregnant woman is infected, the infection may be transmitted to the foetus. A pregnant woman who has had exposure to the virus should seek the advice of the doctor managing her pregnancy.
Spread of infection is by direct or indirect connection with airbourne droplets from coughing or sneezing..
Incubation period is 4-14 days though may be up to 20 days. Once a rash appears, the sufferer is no longer infectious.