Evidence map›Paper›PMID 26944311›Full record

ArticleInternational journal of epidemiology2016

Rapid acquisition of HPV around the time of sexual debut in adolescent girls in Tanzania.

Catherine F Houlihan, Kathy Baisley, Ignacio G Bravo, Saidi Kapiga, Silvia de Sanjosé, John Changalucha, David A Ross, Richard J Hayes, Deborah Watson-Jones

Registry-linked trialOpen access · bronzeAbstract read
In one paragraph

Article in International journal of epidemiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07303751 (HPV Vaccination and Infectivity Reduction in HPV-positive Women), which is not on this map. Cited by 19 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 2 pooled it
3.3field-weighted citation impact, top 8% of its field
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.

NCT07303751 phase2not yet recruitingnot on this mapstarted 2026, after this paper: background citation

HPV Vaccination and Infectivity Reduction in HPV-positive Women

TypeinterventionalSponsorInstitut d'Investigació Biomèdica de BellvitgeRan2026 to 2027Enrolled80ConditionsHPV, High-risk HPV (Any Strain), Human Papillomavirus (HPV) InfectionsArmsNonavalent HPV vaccine (9vHPV)
3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 2 syntheses or guidelines pooled it, 37 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Trial
  5. Article
  6. HPV positivity status in males is related to the acquisition of HPV infection in females in heterosexual couples.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2024
    Article
  7. Article
  8. Article
  9. Article
  10. Observational
  11. Article
  12. Article
  13. Review
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  16. Risk Factors for Human Papillomavirus Infection and Abnormal Cervical Cytology Among Perinatally Human Immunodeficiency Virus-Infected and Uninfected Asian Youth.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2018
    Observational
  17. Article
  18. Review
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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

9 authors at 4 institutions in 3 countries.

Catherine F HoulihanClinical Research Department, London School of Hygiene and Tropical Medicine, London, UK Mwanza Intervention Trials Unit, Mwanza, Tanzania catherine.houlihan@lshtm.ac.uk.
Kathy BaisleyMRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, UK.
Ignacio G BravoUnit of Infections and Cancer, Institut Català d'Oncologia, Barcelona, Spain.
Saidi KapigaMwanza Intervention Trials Unit, Mwanza, Tanzania MRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, UK.
Silvia de SanjoséUnit of Infections and Cancer, Institut Català d'Oncologia, Barcelona, Spain CIBER ESP, Barcelona, Spain.
John ChangaluchaNational Institute for Medical Research, Mwanza, Tanzania.
David A RossMRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, UK.
Richard J HayesMRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, UK.
Deborah Watson-JonesClinical Research Department, London School of Hygiene and Tropical Medicine, London, UK Mwanza Intervention Trials Unit, Mwanza, Tanzania.
London School of Hygiene & Tropical Medicine · GBMwanza Intervention Trials Unit · TZInstitut Català d'Oncologia · ESNational Institute for Medical Research · TZ

Funding

Medical Research Council G0700837Medical Research Council G0901756Wellcome Trust ITCRBE30
6 · The paper itself

Abstract

backgroundNo reports exist on genotype-specific human papillomavirus (HPV) acquisition in girls after first sex in sub-Saharan Africa, despite high HPV prevalence and cervical cancer incidence.

methodsWe followed 503 HP-unvaccinated girls aged 15-16 years in Mwanza, Tanzania, 3-monthly for 18 months with interviews and self-administered vaginal swabs. Swabs were tested for 13 higHRisk and 24 low-risk HPV genotypes. Incidence, clearance and duration of overall HPV and genotype-specific infections were calculated and associated factors evaluated.

resultsA total of 106 participants reported first sex prior to enrolment (N = 29) or during follow-up (N = 77). One was HIV-positive at the final visit. The remaining 105 girls contributed 323 adequate specimens. Incidence of any new HPV genotype was 225/100 person-years (pys), and incidence of vaccine types HPV-6, -11, -16 and -18 were 12, 2, 2 and 7/100 pys, respectively. Reporting sex in the past 3 months and knowing the most recent sexual partner for a longer period before sex were associated with HPV acquisition. Median time from reported sexual debut to first HPVinfection was 5 months, and infection duration was 6 months.

conclusionThis is the first description of HPV acquisition after first sex in sub-Saharan Africa where the incidence of cervical cancer is amongst the highest in the world. HPV incidence was very high after first sex, including some vaccine genotypes, and infection duration was short. This very high HPV incidence may help explain high cervical cancer rates, and supports recommendations that the HPV vaccine should be given to girls before first sex.

Indexed as

Sexual BehaviorAdolescentAlphapapillomavirusCohort StudiesFemaleGenotypeHumansIncidenceKaplan-Meier EstimatePapillomavirus InfectionsPapillomavirus VaccinesRegression AnalysisRisk FactorsSchoolsTanzaniaTime FactorsPapillomavirus VaccinesHuman papillomavirussexual debutsub-Saharan Africa

Identifiers

PMID26944311
PMCPMC5005945
OpenAlexW2331328323

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.