The overall rate of confirmed S. pneumoniae infection in the United States is 5.16 to 6.11 cases/100,000 in adults with the rate for those older than 65 years being 36.4/100,000 and infants younger than 1 year being 34.2/100,000.

Does everyone have Streptococcus pneumoniae?

It is common in adults and the most frequent cause of pneumonia among the elderly and those not able to fight off infections. Everyone carries bacteria in their nose and throat without it making them sick.

How many people are affected by Streptococcus pneumoniae?

Each year, an estimated 4 million Americans become ill as a result of infection with the bacteria Streptococcus pneumoniae, also known as pneumococcal disease, resulting in 445,000 hospitalizations and 22,000 deaths.