Evidence map›Paper›PMID 33750981›Full record

ArticlePLoS neglected tropical diseases2021

Laboratory demonstration of the vertical transmission of Rift Valley fever virus by Culex tarsalis mosquitoes.

Nicholas A Bergren, Erin M Borland, Daniel A Hartman, Rebekah C Kading

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 23 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 3 pooled it
1.3field-weighted citation impact, top 17% 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.

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

23 citing papers in PubMed, 3 syntheses or guidelines pooled it, 33 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Review
  5. Article
  6. Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. Review
  12. Co-Infection ofViruses · 2025
    Article
  13. Review
  14. Article
  15. Viruses · 2024
    Review
  16. Article
  17. Review
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Nicholas A BergrenDepartment of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado.ORCID 0000-0003-4496-447X
Erin M BorlandDepartment of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado.ORCID 0000-0001-8631-9466
Daniel A HartmanDepartment of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado.ORCID 0000-0001-9733-8355
Rebekah C KadingDepartment of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado.ORCID 0000-0002-4996-915X
Colorado State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Rift Valley fever virus (RVFV) is a mosquito-transmitted virus with proven ability to emerge into naïve geographic areas. Limited field evidence suggests that RVFV is transmitted vertically from parent mosquito to offspring, but until now this mechanism has not been confirmed in the laboratory. Furthermore, this transmission mechanism has allowed for the prediction of RVFV epizootics based on rainfall patterns collected from satellite information. However, in spite of the relevance to the initiation of epizootic events, laboratory confirmation of vertical transmission has remained an elusive research aim for thirty-five years. Herein we present preliminary evidence of the vertical transmission of RVFV by Culex tarsalis mosquitoes after oral exposure to RVFV. Progeny from three successive gonotrophic cycles were reared to adults, with infectious RVFV confirmed in each developmental stage. Virus was detected in ovarian tissues of parental mosquitoes 7 days after imbibing an infectious bloodmeal. Infection was confirmed in progeny as early as the first gonotrophic cycle, with infection rates ranging from 2.0-10.0%. Virus titers among progeny were low, which may indicate a host mechanism suppressing replication.

Indexed as

Infectious Disease Transmission, VerticalAnimalsCulexFemaleHumansMaleMosquito VectorsOvaryRift Valley FeverRift Valley fever virusViral Load

Identifiers

PMID33750981
PMCPMC8016277
OpenAlexW3138069451

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.