Evidence map›Paper›PMID 34314723›Full record

ReviewCurrent biology : CB2021

The origins and potential future of SARS-CoV-2 variants of concern in the evolving COVID-19 pandemic.

Sarah P Otto, Troy Day, Julien Arino, Caroline Colijn, Jonathan Dushoff, Michael Li, Samir Mechai, Gary Van Domselaar, Jianhong Wu, David J D Earn and 1 more

Abstract readReview
In one paragraph

Review in Current biology : CB, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 200 papers.

0numbers the graph read from it
0cells of the map it votes in
200citing papers in PubMed
–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

200 citing papers in PubMed.

  1. Trial
  2. Article
  3. Review
  4. Understanding patterns of variant emergence and spread in an ongoing epidemic.medRxiv : the preprint server for health sciences · 2026
    Article
  5. Integrated framework to study genomic surveillance of selective sweeps in multivariants dynamics.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  6. Article
  7. Review
  8. Article
  9. Review
  10. Article
  11. HIV status is not associated with SARS-CoV-2 viral load and longer duration of infection among people with well-controlled HIV and high COVID-19 vaccine coverage.International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases · 2025
    Article
  12. A Pandemic-Scale Ancestral Recombination Graph for SARS-CoV-2.bioRxiv : the preprint server for biology · 2025
    Article
  13. Article
  14. The potential impacts of human genetics on virus emergence.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  15. Observational
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

140 more citing papers are in PubMed but not listed here.

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

11 authors.

Sarah P OttoDepartment of Zoology and Biodiversity Research Centre, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. Electronic address: otto@zoology.ubc.ca.
Troy DayDepartment of Mathematics and Statistics, Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada.
Julien ArinoDepartment of Mathematics and Data Science Nexus, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
Caroline ColijnDepartment of Mathematics, Simon Fraser University, Burnaby, BC V5A 1S6, Canada.
Jonathan DushoffDepartment of Biology and M.G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, ON L8S 4L8, Canada.
Michael LiPublic Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, Guelph, ON N1G 3W4, Canada.
Samir MechaiPublic Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, St. Hyacinthe, QC J2S 2M2, Canada.
Gary Van DomselaarNational Microbiology Laboratory - Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada; Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB R3E 0J9, Canada.
Jianhong WuLaboratory for Industrial and Applied Mathematics, York University, Toronto, ON M3J 1P3, Canada.
David J D EarnDepartment of Mathematics and Statistics and M.G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, ON L8S 4K1, Canada.
Nicholas H OgdenPublic Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, St. Hyacinthe, QC J2S 2M2, Canada.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

One year into the global COVID-19 pandemic, the focus of attention has shifted to the emergence and spread of SARS-CoV-2 variants of concern (VOCs). After nearly a year of the pandemic with little evolutionary change affecting human health, several variants have now been shown to have substantial detrimental effects on transmission and severity of the virus. Public health officials, medical practitioners, scientists, and the broader community have since been scrambling to understand what these variants mean for diagnosis, treatment, and the control of the pandemic through nonpharmaceutical interventions and vaccines. Here we explore the evolutionary processes that are involved in the emergence of new variants, what we can expect in terms of the future emergence of VOCs, and what we can do to minimise their impact.

Indexed as

AnimalsBiological EvolutionCOVID-19COVID-19 VaccinesHumansInfection ControlMutationSARS-CoV-2Selection, GeneticCOVID-19 Vaccines

Identifiers

PMID34314723
PMCPMC8220957

What OpenQuestion holds

Textmetadata
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.