Answer: Pneumococcal disease is a common, yet potentially serious infection caused by Streptococcus pneumoniae bacteria. Streptococcus pneumoniae is the leading cause of serious community-acquired illness worldwide. In addition to being the most common cause of community acquired pneumonia, it also causes invasive pneumococcal disease (IPD) which includes bacteremia and meningitis.
Older adults are at increased risk from pneumococcal disease. In the United States, the rate of IPD among adults = 65 is 3-fold greater than the population average. More alarmingly, the rate of death among adults = 65 is 4.5-fold greater than the population average. Outbreaks of pneumococcal disease do occur in nursing homes and are likely under-reported.
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