Surveillance of overwhelming infection following splenectomy.
D001424:Bacterial Infections / Q000453:epidemiology* / Q000517:prevention & control; D004739:England / Q000453:epidemiology; D006801:Humans; D011159:Population Surveillance; D012307:Risk Factors; D013156:Splenectomy / Q000009:adverse effects / Q000706:statistics & numerical data*; D014852:Wales / Q000453:epidemiology