Asymptomatic Bordetella pertussis infections in a longitudinal cohort of young African infants and their mothers

© 2021, Gill et al..

Recent pertussis resurgence in numerous countries may be driven by asymptomatic infections. Most pertussis surveillance studies are cross-sectional and cannot distinguish asymptomatic from pre-symptomatic infections. Longitudinal surveillance could overcome this barrier, providing more information about the true burden of pertussis at the population level. Here we analyze 17,442 nasopharyngeal samples from a longitudinal cohort of 1320 Zambian mother/infant pairs. Our analysis has two elements. First, we demonstrate that the full range of IS481 qPCR CT values provides insight into pertussis epidemiology, showing concordance of low and high CT results over time, within mother/infant pairs, and in relation to symptomatology. Second, we exploit these full-range qPCR data to demonstrate a high incidence of asymptomatic pertussis, including among infants. Our results demonstrate a wider burden of pertussis infection than we anticipated in this population, and expose key limitations of threshold-based interpretation of qPCR results in infectious disease surveillance.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:10

Enthalten in:

eLife - 10(2021) vom: 07. Juni

Sprache:

Englisch

Beteiligte Personen:

Gill, Christopher J [VerfasserIn]
Gunning, Christian E [VerfasserIn]
MacLeod, William B [VerfasserIn]
Mwananyanda, Lawrence [VerfasserIn]
Thea, Donald M [VerfasserIn]
Pieciak, Rachel C [VerfasserIn]
Kwenda, Geoffrey [VerfasserIn]
Mupila, Zacharia [VerfasserIn]
Rohani, Pejman [VerfasserIn]

Links:

Volltext

Themen:

Africa
Asymptomatic infection
Bordetella pertussis
Cohort study
Epidemiology
Global health
Human
Journal Article
Observational Study
Pertussis Vaccine
QPCR
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Whooping cough

Anmerkungen:

Date Completed 19.10.2021

Date Revised 19.10.2021

published: Electronic

Citation Status MEDLINE

doi:

10.7554/eLife.65663

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM326457879