1. Enhanced surveillance of invasive meningococcal disease in Canada: 1 January, 2002, through 31 December, 2003.;Can Commun Dis Rep,2006
2. Enhanced surveillance of invasive meningococcal disease in Canada: 1 January, 2004, through 31 December, 2005.;Can Commun Dis Rep,2007
3. Prospects for vaccine prevention of meningococcal infection.;Harrison;Clin Microbiol Rev,2006
4. Global epidemiology of meningococcal disease.;Schwartz;Clin Microbiol Rev,1989
5. Antigenic shift and increased incidence of meningococcal disease.;Harrison;J Infect Dis,2006