Volume 9, Number 11—November 2003
Dispatch
Polymerase Chain Reaction Assay and Bacterial Meningitis Surveillance in Remote Areas, Niger
Figure 2

Figure 2. Distribution of serogroups of Neisseria meningitidis according to region, November 2002–May 2003. (N. meningitidis U.S. = unpredicted serogroup, i.e., not A, not B, not C, not Y and not W135.)