ArticleAllergy2021
The role of peripheral blood eosinophil counts in COVID-19 patients.
Article in Allergy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 106 papers, 6 of them syntheses that pooled it.
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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.
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Who cites it
106 citing papers in PubMed, 6 syntheses or guidelines pooled it, 195 citations in OpenAlex.
- The Impact of Neutrophil-Lymphocyte Count Ratio in COVID-19: A Systematic Review and Meta-Analysis.Journal of intensive care medicine · 2022Pooled it
- A composite ranking of risk factors for COVID-19 time-to-event data from a Turkish cohort.Computational biology and chemistry · 2022Pooled it
- A systematic meta-analysis of immune signatures in patients with COVID-19.Reviews in medical virology · 2021Pooled it
- The diagnostic and prognostic role of neutrophil-to-lymphocyte ratio in COVID-19: a systematic review and meta-analysis.Expert review of molecular diagnostics · 2021Pooled it
- Utility of Routine Laboratory Biomarkers to Detect COVID-19: A Systematic Review and Meta-Analysis.Viruses · 2021Pooled it
- Neutrophil-to-lymphocyte ratio on admission to predict the severity and mortality of COVID-19 patients: A meta-analysis.The American journal of emergency medicine · 2021Pooled it
- Seasonal Distribution, Virus-Specific Hematologic Profiles, and Predictors of Hospitalization in Children with Respiratory Viral Infections.Children (Basel, Switzerland) · 2026Article
- Effect of GLP-1RA on blood eosinophil levels in adults: a real-world study.BMC pulmonary medicine · 2026Article
- Beyond Eosinophil Depletion: IL-5 as a Context-Dependent Regulator of Airway Immune Networks.International journal of molecular sciences · 2026Review
- Type 2 Inflammation in Asthma and COPD: Biomarkers, Clinical Applications, and Targeted Therapies.Journal of inflammation research · 2026Review
- Association between hypertension and risk of respiratory failure and mortality in patients with COVID-19: a retrospective cohort study with predictive model development.Frontiers in medicine · 2026Article
- Association between eosinophil counts and outcomes of severe coronavirus disease 2019 in elderly asthma patients: a prospective cohort study.Journal of thoracic disease · 2025Article
- Eosinophil CD48 interactions with Candida albicans Als6 is protective in vitro and in mouse systemic candidiasis.Nature communications · 2025Article
- TIPE2 suppresses ferroptosis and pro-inflammatory polarization in macrophages triggered by SARS-CoV-2 spike protein.Scientific reports · 2025Article
- COVID-19-associated changes in nasal mucosa: Insights from inflammatory and epithelial cell profiling.Journal of family medicine and primary care · 2025Article
- Eosinophils and COVID-19: Insights into immune complexity and vaccine safety.Clinical and translational allergy · 2025Review
- Immune responses in children with secondary infection of mycoplasma pneumoniae after COVID-19: focus on eosinophils and IgE.BMC infectious diseases · 2025Observational
- Age, Sex, and Symptom-Dependent Variations in Total IgE and Eosinophils in Atopic Patients: A Five-Year Retrospective Study.Journal of asthma and allergy · 2025Article
- How does the Immunological System Change during the SARS-COV-2 Attack? A Clue for the New Immunotherapy Discovery.Current medicinal chemistry · 2025Review
- Eosinopenia predicts poor outcomes in patients with lung cancer with the omicron variant of COVID-19.Frontiers in medicine · 2025Article
46 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundCoronavirus disease 2019 (COVID-19) emerged in Wuhan city and rapidly spread globally outside China. We aimed to investigate the role of peripheral blood eosinophil (EOS) as a marker in the course of the virus infection to improve the efficiency of diagnosis and evaluation of COVID-19 patients.
methods227 pneumonia patients who visited the fever clinics in Shanghai General Hospital and 97 hospitalized COVID-19 patients admitted to Shanghai Public Health Clinical Center were involved in a retrospective research study. Clinical, laboratory, and radiologic data were collected. The trend of EOS level in COVID-19 patients and comparison among patients with different severity were summarized.
resultsThe majority of COVID-19 patients (71.7%) had a decrease in circulating EOS counts, which was significantly more frequent than other types of pneumonia patients. EOS counts had good value for COVID-19 prediction, even higher when combined with neutrophil-to-lymphocyte ratio. Patients with low EOS counts at admission were more likely to have fever, fatigue, and shortness of breath, with more lesions in chest CT and radiographic aggravation, and longer length of hospital stay and course of disease than those with normal EOS counts. Circulating EOS level gradually increased over the time, and was synchronous with the improvement in chest CT (12 days vs 13 days, P = .07), later than that of body temperature (12 days vs 10 days, P = .014), but earlier than that of the negative conversion of nucleic acid assays (12 days vs 17 days, P = .001).
conclusionPeripheral blood EOS counts may be an effective and efficient indicator in diagnosis, Evaluation, and prognosis monitoring of COVID-19 patients.
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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.