Conflicting evidence exists on weather's influence on COVID-19 transmission. This study analyzed 409 cities across 26 countries, revealing a modest non-linear association between mean temperature and the effective reproduction number (Re), with a decrease of 0.087 for a 10°C increase. Early interventions significantly impacted Re, decreasing it more than temperature. Government interventions were six times more influential than temperature in explaining Re variation. The study concludes that population behavior and government interventions are more important drivers of transmission than meteorological conditions.
Publisher
NATURE COMMUNICATIONS
Published On
Oct 13, 2021
Authors
Francesco Sera, Ben Armstrong, Sam Abbott, Sophie Meakin, Kathleen O'Reilly, Rosa von Borries, Rochelle Schneider, Dominic Royé, Masahiro Hashizume, Mathilde Pascal, Aurelio Tobias, Ana Maria Vicedo-Cabrera, Antonio Gasparrini, Rachel Lowe
Tags
COVID-19
transmission
temperature
government interventions
population behavior
reproduction number
public health
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