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No Evidence That Certain Weather Conditions Precludes Transmission

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Studies from the first two and a half years of the COVID-19 pandemic indicate that the influence of meteorology and air quality on disease transmission have been secondary compared to the influence of non-pharmaceutical interventions, vaccination campaigns, changing immunity profiles, introduction of variants, and behavioural dynamics. This comes up in World Meteorological Organization’s COVID-19 final report.

The WMO said that lessons learned from the pandemic showed how environmental data can and cannot be used when predicting the spread of a respiratory virus.

FINDINGS

NEW APPROCHES

“Efforts from around the world to understand meteorology and air quality impacts on SARS-CoV-2 transmission and COVID-19 severity have yielded new approaches to data, new cross-disciplinary collaborations, and a broad appreciation of how difficult it is to disentangle risk factors during an ongoing pandemic, “ said Task Team chair, Dr Ben Zaitchik, Department of Earth & Planetary Sciences, Johns Hopkins University, Baltimore, USA.

“The specific findings of these studies are complex and will continue to be examined in coming years. Notwithstanding the nuance of those results, it is clear that researchers and the public have learned a tremendous amount about how environmental data can and cannot be used when predicting the spread of a respiratory virus,” said Dr Zaitchik.

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