1. Summary of notifiable diseases–United States, 2006;McNabb;MMWR Morb Mortal Wkly Rep,2008
2. Completeness and timeliness of reporting of meningococcal disease–Maine, 2001-2006;Center for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2009
3. Epidemic meningitis, meningococcaemia, and Neisseria meningitidis;Stephens;Lancet,2007
4. Schaffner W, The changing epidemiology of meningococcal disease among US children, adolescents, and young adults, National Foundation for Infectious Diseases, 2004.
5. Meningococcal infections,2009