ReviewThe Journal of infection2021
SARS-CoV-2 (COVID-19) superspreader events.
Review in The Journal of infection, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.
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
64 citing papers in PubMed.
- Trial
- COVID-19 transmission dynamics: age-specific patterns and super spreaders in South Korea.BMC public health · 2026Article
- Speaking Different Languages Impacts Size-Resolved Exhaled Breath Aerosol Particle Emission.Environment & health (Washington, D.C.) · 2025Article
- Need for a Holistic Approach to Assessing Sustainable, Green, and Healthy Buildings.Environment & health (Washington, D.C.) · 2025Review
- Comparing strategies for the mitigation of SARS-CoV-2 airborne infection risk in tiered auditorium venues.Communications engineering · 2024Article
- Article
- Resolving the Loss of Intermediate-Size Speech Aerosols in Funnel-Guided Particle Counting Measurement.Atmosphere · 2024Article
- Ambient carbon dioxide concentration correlates with SARS-CoV-2 aerostability and infection risk.Nature communications · 2024Article
- Host and viral determinants of airborne transmission of SARS-CoV-2 in the Syrian hamster.eLife · 2024Article
- COVID-19 risk mitigation in reopening mass cultural events: population-based observational study for the UK Events Research Programme in Liverpool City Region.Journal of the Royal Society of Medicine · 2024Observational
- Investigation of an international water polo tournament in Czechia as a potential source for early introduction of the SARS-CoV-2 Omicron variant into Belgium, Switzerland and Germany, November 2021.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2023Article
- Host and viral determinants of airborne transmission of SARS-CoV-2 in the Syrian hamster.bioRxiv : the preprint server for biology · 2023Article
- Superspreading of SARS-CoV-2 Omicron BA.2.23 among vaccinated Finnish adults: symptomatic COVID-19 only contracted by those without recent infection.Epidemiology and infection · 2023Article
- Differences in airborne stability of SARS-CoV-2 variants of concern is impacted by alkalinity of surrogates of respiratory aerosol.Journal of the Royal Society, Interface · 2023Article
- Airborne disease transmission during indoor gatherings over multiple time scales: Modeling framework and policy implications.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Doubt in store: vaccine hesitancy among grocery workers during the COVID-19 pandemic.Journal of behavioral medicine · 2023Article
- Transmission of COVID-19 in Nightlife, Household, and Health Care Settings in Tokyo, Japan, in 2020.JAMA network open · 2023Article
- Spatial risk for a superspreading environment: Insights from six urban facilities in six global cities across four continents.Frontiers in public health · 2023Article
- Longer-term effectiveness of a heterologous coronavirus disease 2019 (COVID-19) vaccine booster in healthcare workers in Brazil.Antimicrobial stewardship & healthcare epidemiology : ASHE · 2023Article
- Aerosol measurement identifies SARS-CoV 2 PCR positive adults compared with healthy controls.Environmental research · 2023Observational
4 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
BACKGROUND &
objectivesA significant number of reported COVID-19 cases can be traced back to superspreader events (SSEs), where a disproportionally large number of secondary cases relative to the standard reproductive rate, R0, are initiated. Although a superspreader is an individual who undergoes more viral shedding and transmission than others, it appears likely that environmental factors have a substantial role in SSEs. We categorise SSEs into two distinct groups: 'societal' and 'isolated' SSEs.
methodsWe summarise SSEs that have occurred using multiple databases that have been cross referenced to ensure numbers are as reliable as we can ascertain. This enables more focussed and productive control of the current pandemic and future pandemics, especially as countries and regions ease lockdown restrictions. RESULTS AND DISCUSSION: 'Societal' SSEs pose a significant threat as members of the event are free to mingle and can infect individuals in the outside community. On the other hand, 'isolated' SSEs can be effectively quarantined as only a few individuals can transmit the virus from the isolated community to the outside community, therefore lowering further societal infection.
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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.