Measles (Rubeola) 。Measles virus Transmitted by respiratory route Macular rash and Koplik's spots Prevented by vaccination Encephalitis in 1 in 1000 cases 。Subacute sclerosing panencephalitis in 1 in 1,000,000 cases Figure 21.14 • Measles virus • Transmitted by respiratory route • Macular rash and Koplik's spots • Prevented by vaccination • Encephalitis in 1 in 1000 cases • Subacute sclerosing panencephalitis in 1 in 1,000,000 cases Measles (Rubeola) Figure 21.14