Skip to main content
. Author manuscript; available in PMC: 2016 May 23.
Published in final edited form as: N Engl J Med. 2013 Jul 11;369(2):155–163. doi: 10.1056/NEJMoa1209165

Fig. 3.

Fig. 3

All-cause pneumonia hospitalizations per 100,000 US adults, 3a. Annual rates, 1997–2009; 3b. Average annual rates, 1997–1999, 2001–2006, 2007–2009; the year of 7-valent pneumococcal conjugate vaccine (PCV7) introduction, 2000 is not included. * p<.05 for rate decline from pre-PCV7 years; +p<.05 for rate increase from pre-PCV7 years