Osmosis video - Human herpesvirus 6 (Roseola)

Human herpesvirus 6 (HHV-6) is a double-stranded DNA virus of the Herpesviridae family, known to cause roseola. Roseola is transmitted through contact with respiratory secretions of a sick person. The infection has two phases; a febrile phase characterized by a sudden onset of fever associated with respiratory symptoms and lymphadenopathy around the neck, and an exanthem phase characterized by a decrease in the body temperature and patchy exanthem (eruptive skin rashes)