Rubeola Virus Infectious Agent Group 5 Genus Morbillivirus

Rubeola Virus Infectious Agent • Group 5 • Genus – Morbillivirus • Family - Paramyxoviridae • Disease caused – Measles Symptoms Epidemiology & Risk Groups • Peak transmission winter and early spring • Since vaccine development, cases down 99%, recent outbreaks linked to unvaccinated individuals traveling into endemic countries Treatment and Prevention Transmission • Contaminated respiratory droplets Diagnosis • Detection of anti-measles Ig. M • Reportable disease • High fever, conjunctivitis, cough, coryza, Koplik spots, and erythematous macules that can blanch • Supportive care, especially vitamin A supplementation • Vaccines (two rounds) Pathogenesis 7 -14 days Incubation period 4 -7 days a Prodromal phase - High Fever - Three C’s: conjunctivitis, cough, coryza - Koplit’s spots 14 days Measles phase - Red rash, that is able to blanch, starts on the face and moves over the trunk and extremities. Possible complications: spontaneous abortion, blindness, croup, encephalitis, pneumonia Mortality <1% These icons were found on the Noun Project: Microscope: Created by Dumitriu Robert, Globe by Tinashe Mugayi, Mosquito: Created by Edward Boatman, Bacteria: Created by Maxim Kulikov, Person: Created by Hayashi Fumihiro, Disease: Created by nayeli zimmerman, Rare Disease: Created by Heads. Of. Birds, Syringe and Medicine: Created by Sergey Demushkin

Rubeola (Measles) Rubella Roseola (exanthema subitum) Rash appearance Red rash that starts on face and spreads to torso and extremities Rash duration 5 -10 days Three days Two days Prodromal symptoms High fever, Koplik’s spots, Common cold-like High fever, no upper and the three C; s: cough, symptoms respiratory tract symptoms coryza, and conjunctivitis