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. 2011 Mar;17(3):543–546. doi: 10.3201/eid1703.101254

Figure 2.

Figure 2

Cases of invasive meningococcal disease, by serogroup, Tijuana General Hospital (TGH), Tijuana, Mexico, and San Diego County (SDC), California, USA, October 1, 2005–May 31, 2008. ND, typing not done.