Roseola is caused by a virus called human herpesvirus 6 hhv6 and, possibly, human herpesvirus 7 hhv7. A sudden high fever that lasts for three to five days is an early feature of roseola. Roseola tifoidica salmonella tiphi exantemas no infecciosos. Roseola exantema subito causas, sintomas y tratamiento md. Roseola, also known as sixth disease, is an infectious disease caused by certain types of virus. Las infecciones por b19 son, en su mayoria, asintomaticas. It is caused by a virus called human herpesvirus 6 hhv6, although similar syndromes are possible with other viruses. Roseola is common in children ages 3 months to 4 years, and most common in those ages 6 months to 1 year. Os sintomas da doenca comecarao a aparecer aproximadamente no quinto dia apos a infeccao. Roseola exantema subito causas, sintomas y tratamiento. Este rash afecta preferentemente a ninos mayores y adultos jovenes lee. Roseola sexta enfermedad california childcare health program. Roseola is most common in children 6 months to 24 months of age. Roseola is a mild viral illness most commonly of young children.