Meningococcal vaccination.
R V
RV
Lee
A S
AS
Stancioff
D000354:Africa, Western / Q000453:epidemiology; D001428:Bacterial Vaccines; D004190:Disasters; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D008589:Meningococcal Infections / Q000453:epidemiology / Q000517:prevention & control*; D022401:Meningococcal Vaccines; D019371:Topography, Medical
D001428:Bacterial Vaccines; D022401:Meningococcal Vaccines