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Superspreading, overdispersion and their implications in the SARS-CoV-2 (COVID-19) pandemic: a systematic review and meta-analysis of the literature

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Authors: Oliver Wegehaupt, Akira Endo, Anna Vassall

Year: 2023

Journal: BMC Public Health

DOI: 10.1186/s12889-023-15915-1

Summary

This paper explores the phenomenon of superspreading events in the SARS-CoV-2 (COVID-19) pandemic through a systematic review and meta-analysis. It found that a majority of studies reported lower than one for the dispersion parameter k, indicating significant heterogeneity in inter-individual transmission potential.

Key Findings

  • Mean k estimates ranged from 0.04 to 2.97 across 28 peer-reviewed studies.
  • 93% of the studies reported mean k estimates lower than one, indicating marked heterogeneity in inter-individual transmission potential.
  • Recommended control measures included forward and backward contact tracing, timely case confirmation, rapid isolation, vaccination, and preventive measures to suppress superspreading.

Methodology

  • Study Type: Systematic Review and Meta-Analysis

Topics

SARS-CoV-2, COVID-19, Superspreading, Overdispersion

Relevance

The findings of this paper highlight the importance of understanding and addressing superspreading events in preparing for future pandemics.

Source

View the entire paper: File:12889 2023 Article 15915.pdf

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