Pneumococcal Disease Pneumococcal Disease (10) http://www.adultvaccination.org/vpd/pneumococcal Pneumococcal Disease explains <http://www.adultvaccination.org/vpd/pneumococcal> http://www.adultvaccination.org/vpd/pneumococcal AdultVaccination.org - Pneumococcal Disease the National Foundation of Infectious Diseases