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PCV10 elicits Protein D IgG responses in Papua New Guinean children but has no impact on NTHi carriage in the first two years of life

Nasopharyngeal colonisation with nontypeable Haemophilus influenzae (NTHi) is associated with development of infections including pneumonia and otitis media. The 10-valent pneumococcal conjugate vaccine (PCV10) uses NTHi Protein D (PD) as a carrier. Papua New Guinean children have exceptionally early and dense NTHi carriage, and high rates of NTHi-associated disease.

Citation:
Rahman T, de Gier C, Orami T, Seppanen EJ, Granland CM, Francis JP, Michael A, Yoannes M, Corscadden KJ, Ford RL, Martinovich KM, Jacoby P, van den Biggelaar AHJ, Lehmann D, Richmond PC, Pomat WS, Thornton RB, Kirkham LS. PCV10 elicits Protein D IgG responses in Papua New Guinean children but has no impact on NTHi carriage in the first two years of life. Vaccine. 2021.

Keywords:
Carriage density; NTHi; Nontypeable Haemophilus influenzae; Papua New Guinea; Pneumococcal conjugate vaccine; Protein D

Abstract:
Nasopharyngeal colonisation with nontypeable Haemophilus influenzae (NTHi) is associated with development of infections including pneumonia and otitis media. The 10-valent pneumococcal conjugate vaccine (PCV10) uses NTHi Protein D (PD) as a carrier. Papua New Guinean children have exceptionally early and dense NTHi carriage, and high rates of NTHi-associated disease.