Pneumococcal vaccine:

Pneumococcal vaccine is an immunization against
Streptococcus pneumoniae, a bacterium that frequently causes meningitis and pneumonia in the elderly, and people with chronic illnesses. Pneumococcal pneumonia accounts for 10 to 25% of all pneumonias.
- Reviewed last on: 6/16/2008
- David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.