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Pneumococci are the leading bacterial causes of respiratory tract infections, bacteremia and meningitis. Pneumococcal conjugate vaccines (PCV) are effective and safe in young children. Their introduction led to significant reductions of invasive pneumococcal disease (IPD), pneumonia, otitis media and antibiotic-resistant pneumococcal infections. Beyond these effects in the vaccinated age groups, there is a reduction in nasopharyngeal pneumococcal carriage and therefore in transmission. This in turn led to marked reductions in IPD and pneumonia in non-vaccinated age groups, particularly elderly adults as evidence of herd protection. Recently it was shown that the 13-valent PCV13 is effective and safe in adults leading to the age-independent recommendation of PCV13 in all persons with risk factors.