Evidence map›Paper›PMID 26714644›Full record

ArticleBMC infectious diseases2015

Whooping cough dynamics in Chile (1932-2010): disease temporal fluctuations across a north-south gradient.

Mauricio Lima, Sergio A Estay, Rodrigo Fuentes, Paola Rubilar, Hélène Broutin, Gerardo Chowell-Puente

Abstract read
In one paragraph

Article in BMC infectious diseases, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. History of whooping cough in Colombia: Endemic infant deaths, outbreaks and epidemicsBiomedica : revista del Instituto Nacional de Salud · 2026
    Article
  3. Article
  4. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Mauricio LimaDepartamento de Ecología, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago, 6513677, Chile. mlima@bio.puc.cl.
Sergio A EstayCenter of Applied Ecology and Sustainability (CAPES), Santiago, Chile. sergio.estay@gmail.com.
Rodrigo FuentesDepartamento de Epidemiologia, Ministerio de Salud, Santiago, Chile. rodrigo.fuentes@minsal.cl.
Paola RubilarDepartamento de Epidemiologia, Ministerio de Salud, Santiago, Chile. paolarubilarr@gmail.com.
Hélène BroutinMIVEGEC, UMR CNRS 5290-IRD 224-UM1-UM2, 911, Avenue Agropolis BP 64501, 34394, Montpellier Cédex 5, France. helene.broutin@ird.fr.
Gerardo Chowell-PuenteSchool Public Health, Georgia State University, Atlanta, GA, USA. gchowell@gsu.edu.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe spatial-temporal dynamics of Bordetella pertussis remains as a highly interesting case in infectious disease epidemiology. Despite large-scale vaccination programs in place for over 50 years around the world, frequent outbreaks are still reported in many countries.

methodsHere, we use annual time series of pertussis incidence from the thirteen different regions of Chile (1952-2010) to study the spatial-temporal dynamics of Pertussis. The period 1975-1995 was characterized by a strong 4 year cycle, while the last two decades of the study period (1990-2010) were characterized by disease resurgence without significant periodic patterns.

resultsDuring the first decades, differences in periodic patterns across regions can be explained by the differences in susceptible recruitment. The observed shift in periodicity from the period 1952-1974 to the period 1975-1995 across regions was relatively well predicted by the susceptible recruitment and population size. However, data on vaccination rates was not taken into account in this study.

conclusionsOur findings highlight how demography and population size have interacted with the immunization program in shaping periodicity along a unique latitudinal gradient. Widespread B. pertussis vaccination appears to lead to longer periodic dynamics, which is line with a reduction in B. pertussis transmission, but our findings indicate that regions characterized by both low birth rate and population size decreased in periodicity following immunization efforts.

Indexed as

AdolescentAdultBordetella pertussisChildChild, PreschoolChileHumansImmunization ProgramsInfantMass VaccinationMiddle AgedPertussis VaccinePopulation DensitySpatio-Temporal AnalysisWhooping CoughYoung AdultPertussis Vaccine

Identifiers

PMID26714644
PMCPMC4696083

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.