1. Numazaki K. Current problems of measles control in Japan and Western Pacific region. Vaccine 2007;25:3101–4.
2. Centers for Disease Control and Prevention (CDC). Progress in global measles control and mortality reduction, 2000–2006. Morb Mortal Wkly Rep 2007;56:1237–41.
3. Paunio M, Peltola H, Valle M, Davidkin I, Virtanen M, Heinonen OP. Explosive school-based measles outbreak intense exposure may have resulted in high risk, even among revaccinees. Am J Epidemiol 1998;148:1103–10.
4. Helfand RF, Kim DK, Gary HE Jr, et al. Nonclassic measles infections in an immune population exposed to measles during a college bus trip. J Med Virol 1998;56:337-41
5. Ong G, Rasidah N, Wan S, and Cutter J. Outbreak of measles in primary school students with high first dose MMR vaccination coverage. Singapore Med J 2007;48:656–61.