How Common

In the United States alone, as many as 442,000 cases of pneumococcal pneumonia are caused by Streptococcus pneumoniae (S pneumoniae) bacteria every year.
 
Many of those cases can be serious enough to cause hospitalization. In fact, pneumococcal pneumonia puts as many as 302,000 people in the hospital each year. And between 5% and 7% of people who are infected with pneumococcal pneumonia in the United States die from it each year.

“I didn't think pneumococcal pneumonia was anything I needed to worry about. But I was wrong.”