Evidence map›Paper›PMID 34531867›Full record

ReviewFrontiers in immunology2021

Sex Differences in Immunity to Viral Infections.

Henning Jacobsen, Sabra L Klein

Abstract readReview
In one paragraph

Review in Frontiers in immunology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 148 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
148citing 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

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

  1. Pooled it
  2. Trial
  3. Article
  4. Sex-Biased Immunity: The Hidden Variable in Immuno-oncology.Clinical cancer research : an official journal of the American Association for Cancer Research · 2026
    Review
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  10. Biological sex influences immune response to influenza infection in juvenile outbred mice.American journal of physiology. Lung cellular and molecular physiology · 2026
    Article
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88 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

2 authors.

Henning JacobsenW. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States.
Sabra L KleinW. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States.

Funding

Sex differences in the impact of frailty on vaccine-induced immune responses in community-dwelling older adultsU54AG062333 · NIA · JOHNS HOPKINS UNIVERSITY · PI KLEIN, SABRA L. · 2018 to 2022
$8.9M
NIA NIH HHS U54 AG062333
6 · The paper itself

Abstract

The ongoing COVID-19 pandemic has increased awareness about sex-specific differences in immunity and outcomes following SARS-CoV-2 infection. Strong evidence of a male bias in COVID-19 disease severity is hypothesized to be mediated by sex differential immune responses against SARS-CoV-2. This hypothesis is based on data from other viral infections, including influenza viruses, HIV, hepatitis viruses, and others that have demonstrated sex-specific immunity to viral infections. Although males are more susceptible to most viral infections, females possess immunological features that render them more vulnerable to distinct immune-related disease outcomes. Both sex chromosome complement and related genes as well as sex steroids play important roles in mediating the development of sex differences in immunity to viral infections.

Indexed as

Severity of Illness IndexSex CharacteristicsCD4-CD8 RatioCD4 Lymphocyte CountCOVID-19CytokinesFemaleHumansImmunity, InnateMaleSARS-CoV-2Sex FactorsCytokinesantibodiesinflammationinfluenzainnate immunitySARS-CoV-2T cells

Identifiers

PMID34531867
PMCPMC8438138

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.