The risk of indoor sports and culture events for the transmission of COVID-19
Nature Communications·
- DOI
- 10.1038/s41467-021-25317-9
- PMID
- 34413294
- PMCID
- PMC8376924
- OpenAlex
- W3193788265
- Study type
- Journal article
- Publisher
- Springer Science and Business Media LLC
- Article type
- journal-article
- Integrity
- current
Publication version
This article has a linked preprint
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Open linked preprint →Why this research matters now
The findings identify ventilation performance and hygiene practices as study variables associated with modeled exposure and infection burden during indoor mass gatherings. Their relevance is limited to the experimental and simulated conditions described in the supplied abstract.
Structured evidence summary
Research question
The study examined SARS-CoV-2 transmission risk from droplets and aerosols at an experimental indoor mass-gathering event under three hygiene conditions, and modeled the resulting infection burden under controlled-epidemic assumptions.
Study design
It used an experimental indoor mass-gathering event to measure direct contacts and aerosol exposure under different hygiene practices and ventilation configurations. The measurements were then used in a simulation study to estimate infection burden.
Population and setting
The setting was an indoor mass-gathering event involving visitors. The supplied abstract does not provide further participant characteristics or event-specific sample details.
Main findings
Visitors had a mean of nine measured direct contacts, which was substantially reduced by appropriate hygiene practices. The poorer ventilation configuration permitted a ten-fold increase in the number of people exposed to infectious aerosols. In the simulation, the estimated infection burden depended largely on ventilation quality and hygiene practices, with little modeled effect on epidemic spread when effective ventilation was presumed.
Public-health relevance
The findings identify ventilation performance and hygiene practices as study variables associated with modeled exposure and infection burden during indoor mass gatherings. Their relevance is limited to the experimental and simulated conditions described in the supplied abstract.
Important limitations
The evidence comes from an experimental event and a simulation conducted under specified assumptions, including controlled epidemics and, for the lowest modeled effect, effective ventilation. The supplied abstract does not report enough methodological detail to assess generalizability, and this summary relies on the single supplied article abstract and metadata rather than the full paper.
GIDS interpretation
This article is discoverable in the supplied metadata under transmission dynamics and climate and environment, and it provides context on indoor-event transmission conditions. It does not establish or confirm a live surveillance signal.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 9 auditable classifier relationships to diseases, places, topics, and study design.