Stability of the pneumococcal population structure in Massachusetts as PCV13 was introduced. Author(s): Chang Q, Stevenson AE, Croucher NJ, Lee GM, Pelton SI, Lipsitch M, Finkelstein JA, Hanage WP|Journal: BMC Infect Dis|PMID: 25887323| February 2015 The success of 7-valent pneumococcal conjugate vaccination (PCV-7) introduced to the US childhood immunization schedule in 2000 was partially offset…
