fifth disease contagious period
Fifth disease is transmitted through respiratory droplets and contact with infected blood products. The incubation period (the time between the initial infection and the onset of symptoms) is usually between 4 and 21 days. People with fifth disease are most contagious before the onset of symptoms.ifth disease is transmitted through respiratory droplets and contact with infected blood products. The incubation period (the time between the initial infection and the onset of symptoms) is usually between 4 and 21 days. People with fifth disease are most contagious before the onset of symptoms.