Frequency-dependent selection can forecast evolution in Streptococcus pneumoniae.

Author(s): Azarian T, Martinez PP, Arnold BJ, Qiu X, Grant LR, Corander J, Fraser C, Croucher NJ, Hammitt LL, Reid R, Santosham M, Weatherholtz RC, Bentley SD, O'Brien KL, Lipsitch M, Hanage WPJournal: PLoS BiolPMID: 33091022 October 2020
Predicting how pathogen populations will change over time is challenging. Such has been the case with Streptococcus pneumoniae, an important…

Early signals of vaccine driven perturbation seen in pneumococcal carriage population genomic data.

Author(s): Chaguza C, Heinsbroek E, Gladstone RA, Tafatatha T, Alaerts M, Peno C, Cornick JE, Musicha P, Bar-Zeev N, Kamng'ona A, Kadioglu A, McGee L, Hanage WP, Breiman RF, Heyderman RS, French N, Everett DB, Bentley SDJournal: Clin Infect DisPMID: 31094423 June 2019
Pneumococcal conjugate vaccines (PCV) have reduced pneumococcal diseases globally. Pneumococcal genomic surveys elucidate PCV effects on population structure but are…

Global emergence and population dynamics of divergent serotype 3 CC180 pneumococci.

Author(s): Azarian T, Mitchell PK, Georgieva M, Thompson CM, Ghouila A, Pollard AJ, von Gottberg A, Du Plessis M, Antonio M, Kwambana-Adams BA, Clarke SC, Everett D, Cornick J, Sadowy E, Hryniewicz W, Skoczynska A, Moïsi JC, McGee L, Beall B, Metcalf BJ, Breiman RF, Ho PL, Reid R, O'Brien KL, Gladstone RA, Bentley SD, Hanage WPJournal: PLoS PathogPMID: 30475919 November 2018
Streptococcus pneumoniae serotype 3 remains a significant cause of morbidity and mortality worldwide, despite inclusion in the 13-valent pneumococcal conjugate…

The impact of serotype-specific vaccination on phylodynamic parameters of Streptococcus pneumoniae and the pneumococcal pan-genome.

Author(s): Azarian T, Grant LR, Arnold BJ, Hammitt LL, Reid R, Santosham M, Weatherholtz R, Goklish N, Thompson CM, Bentley SD, O'Brien KL, Hanage WP, Lipsitch MJournal: PLoS PathogPMID: 29617440 April 2018
In the United States, the introduction of the heptavalent pneumococcal conjugate vaccine (PCV) largely eliminated vaccine serotypes (VT); non-vaccine serotypes…

Population genetic structure, antibiotic resistance, capsule switching and evolution of invasive pneumococci before conjugate vaccination in Malawi.

Author(s): Chaguza C, Cornick JE, Andam CP, Gladstone RA, Alaerts M, Musicha P, Peno C, Bar-Zeev N, Kamng'ona AW, Kiran AM, Msefula CL, McGee L, Breiman RF, Kadioglu A, French N, Heyderman RS, Hanage WP, Bentley SD, Everett DBJournal: VaccinePMID: 28711389 August 2017
Pneumococcal infections cause a high death toll in Sub Saharan Africa (SSA) but the recently rolled out pneumococcal conjugate vaccines…