The six classic childhood exanthems • First Disease - Measles, Rubeola - Measles Virus • Second Disease - Scarlet Fever - Streptococcus Pyogenes • Third Disease - Rubella, German Measles - Rubella Virus • Fourth Disease - Filatov-duke's Disease - Obsolete Classification • Fifth Disease - Erythema Infectiosum - Human Parvovirus B19 • Sixth Disease - Roseola, Exanthema Subitum - Human Herpes Virus 6 #childhood #exanthems #differential #diagnosis #peds #pediatrics