Trial reportEmerging infectious diseases2014
Seven-valent pneumococcal conjugate vaccine and nasopharyngeal microbiota in healthy children.
Trial report in Emerging infectious diseases, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers, 6 of them syntheses that pooled 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.
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.
Who cites it
58 citing papers in PubMed, 6 syntheses or guidelines pooled it.
- Prevalence of Streptococcus pneumoniae and Staphylococcus aureus co-colonization in healthy children under five years: a systematic review.BMC pediatrics · 2026Pooled it
- Effect of Pneumococcal Conjugate Vaccines on Viral Respiratory Infections: A Systematic Literature Review.The Journal of infectious diseases · 2024Pooled it
- Pooled it
- Exploring the microbial landscape of the nasopharynx in children: a systematic review of studies using next generation sequencing.Frontiers in microbiomes · 2023Pooled it
- Pneumococcal conjugate vaccines for preventing acute otitis media in children.The Cochrane database of systematic reviews · 2020Pooled it
- Pneumococcal conjugate vaccines for preventing acute otitis media in children.The Cochrane database of systematic reviews · 2019Pooled it
- The association between pneumococcal vaccination, ethnicity, and the nasopharyngeal microbiota of children in Fiji.Microbiome · 2019Trial
- Trial
- Exploring the impact of oral health and vaccination on pneumonia-causing bacteria: insights from predictive modeling.BMC research notes · 2026Article
- Changes in carriage and serotype diversity of Streptococcus pneumoniae and other respiratory pathobionts in the UK between pre-PCV13 (2006-10), early-PCV13 (2010-12) and late-PCV13 (2012-23) periods.Pneumonia (Nathan Qld.) · 2025Article
- Insights into the relationship between nasal bacterial composition and susceptibility to early-life respiratory disease: a pilot observational study.medRxiv : the preprint server for health sciences · 2025Article
- Review
- Immunization with recombinantExperimental biology and medicine (Maywood, N.J.) · 2024Article
- Succession and determinants of the early life nasopharyngeal microbiota in a South African birth cohort.Microbiome · 2023Article
- Microbiome and Human Health: Current Understanding, Engineering, and Enabling Technologies.Chemical reviews · 2023Review
- Article
- Non-diphtheriae Corynebacterium species are associated with decreased risk of pneumococcal colonization during infancy.The ISME journal · 2022Article
- Differential nasopharyngeal microbiota composition in children according to respiratory health status.Microbial genomics · 2021Article
- Rapid Increase of Oral Bacteria in Nasopharyngeal Microbiota After Antibiotic Treatment in Children With Invasive Pneumococcal Disease.Frontiers in cellular and infection microbiology · 2021Article
- Upper Respiratory Tract Microbiome and Otitis Media Intertalk: Lessons from the Literature.Journal of clinical medicine · 2020Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seven-valent pneumococcal conjugate vaccine (PCV-7) is effective against vaccine serotype disease and carriage. Nevertheless, shifts in colonization and disease toward nonvaccine serotypes and other potential pathogens have been described. To understand the extent of these shifts, we analyzed nasopharyngeal microbial profiles of 97 PCV-7-vaccinated infants and 103 control infants participating in a randomized controlled trial in the Netherlands. PCV-7 immunization resulted in a temporary shift in microbial community composition and increased bacterial diversity. Immunization also resulted in decreased presence of the pneumococcal vaccine serotype and an increase in the relative abundance and presence of nonpneumococcal streptococci and anaerobic bacteria. Furthermore, the abundance of Haemophilus and Staphylococcus bacteria in vaccinees was increased over that in controls. This study illustrates the much broader effect of vaccination with PCV-7 on the microbial community than currently assumed, and highlights the need for careful monitoring when implementing vaccines directed against common colonizers.
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Registered trials
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.