Figure 1From: The persisting burden of invasive pneumococcal disease in HIV patients: an observational cohort study Number and type of pneumococcal infections per year. Pneumococcal disease in Southern Alberta HIV patients over 10 years; there is no evidence of a decreasing trend. The peak in 2007 overlaps with a serotype 5 outbreak among Calgary's homeless community [10]; number of active patients at the midpoint of each year.Back to article page