SynthesisJournal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi2021
A systematic review of asymptomatic infections with COVID-19.
Synthesis in Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 480 papers, 3 of them syntheses that pooled 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.
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.
Who cites it
480 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Impact of Climate Change on Adolescents' Health Outcomes: An Evidence Gap Map Review.Journal of adolescence · 2025Pooled it
- Long-Term Consequences of Asymptomatic SARS-CoV-2 Infection: A Systematic Review and Meta-Analysis.International journal of environmental research and public health · 2023Pooled it
- Multisystem Inflammatory Syndrome in Adults: Case Finding Through Systematic Review of Electronic Medical Records.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2022Pooled it
- Universal SARS-CoV-2 RT-qPCR admission screening over 21 months in a German tertiary care hospital: detection of asymptomatic infections.BMC infectious diseases · 2026Article
- Immune correlates of risk for SARS-CoV-2 infection in children: a prospective, community-based cohort study.Nature communications · 2026Article
- Profile of COVID-19 cases during four waves of the pandemic from May 2020 to March 2022 in the Haut-Ogooué region in Gabon.BMC public health · 2026Article
- Imported SARS-CoV-2 Infections at N'djili International Airport in Kinshasa, Democratic Republic of Congo: An Epidemiological and Genomic Analysis.Influenza and other respiratory viruses · 2026Article
- Retrospective analysis of age-specific non-pharmaceutical interventions on wild-type SARS-CoV-2 in Canada.BMC public health · 2026Article
- Psychopathological, neuropsychological and sociodemographic description of the population using a post-COVID outpatient clinic: results from the 2Long4COVID BLOOD study.European archives of psychiatry and clinical neuroscience · 2026Article
- MedChat: a fully offline multimodal AI system for privacy-preserving clinical anamnesis.Frontiers in artificial intelligence · 2026Article
- Factors associated with an unfavorable outcome according to age in patients with COVID-19 admitted to intensive care in mainland France during the first three periods of the pandemic: a nationwide cohort study.Frontiers in medicine · 2026Article
- Long COVID affects working memory: assessment using a single rapid online test.Frontiers in human neuroscience · 2026Article
- Evaluating post-acute COVID-19 sequelae in younger population using symptom burden questionnaire (SQL).BMC public health · 2025Article
- The impact of tele-education support on mothers' sense of security and breastfeeding self-efficacy during the pandemic.BMC pregnancy and childbirth · 2025Article
- Monitoring SARS-CoV-2 variants in wastewater during periods of low clinical case surveillance in Ethiopia.mSphere · 2025Article
- Epidemiological Analysis of the COVID-19 Clusters in the Early Stages of the Epidemic in Shanghai, China: Pandemic-to-Epidemic Response Shift.Tropical medicine and infectious disease · 2025Article
- Clinical characteristics and outcomes in patients with diabetes mellitus affected by COVID-19: a retrospective cross-sectional study from a tertiary care center in Pakistan.BMC endocrine disorders · 2025Article
- Impact of Symptomatic COVID-19 on the Oral Health of Pediatric Patients in Tbilisi City.Children (Basel, Switzerland) · 2025Article
- Comprehensive analysis of human coronavirus antibody responses in ICU and non-ICU COVID-19 patients reveals IgG3 against SARS-CoV-2 spike protein as a key biomarker of disease severity.Journal of medical microbiology · 2025Article
- SARS-CoV-2-induced sensory perturbations: A narrative review of clinical phenotypes, molecular pathologies, and possible interventions.Brain, behavior, & immunity - health · 2025Review
420 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
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Since the outbreak of coronavirus disease 2019 (COVID-19) in late December 2019, it has brought significant harm and challenges to over 200 countries and regions around the world. However, there is increasing evidence that many patients with COVID-19 are asymptomatic or have only mild symptoms, but they are able to transmit the virus to others. There are difficulties in screening for asymptomatic infections, which makes it more difficult for national prevention and control of this epidemic. This article reviews the characteristics, treatment, and outcomes of asymptomatic infections with COVID-19, hoping it would be helpful for early prevention and control of this severe public health threat worldwide.
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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.