Sheppeard, V., Forssman, B., Ferson, M. J., Moreira, C., Campbell-Lloyd, S., Dwyer, D. E., & McAnulty, J. M. (2009). Vaccine failures and vaccine effectiveness in children during measles outbreaks in New South Wales, March–May 2006. Communicable Diseases Intelligence, 33, 21–26. https://doi.org/10.33321/cdi.2009.33.3