Meningococcal disease surveillance in the United States of America
- CDC Meningo Case definition USA (CDC)
- CDC Active bacterial core surveillance for NM (CDC)
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Serogroup Y disease 1989-1996 (CDC)

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Hyperendemic serogroup B disease in Oregon
(CDC) - Serogroup W135 and pilgrims returning from Saudi Arabia 2000 and 2001 (CDC)
- Lab surveillance 1989-1991 (CDC)
