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Weather, variants, vaccines: questions that remain unanswered regarding Covid-19

2021-06-21T07:25:17.118Z

The lifting of health measures announced by the government raises questions about the evolution of the situation.



Summer, ally or enemy?

To discover

  • Covid-19: vaccination as the only remedy

The climate has an influence on the diffusion of the virus, certain temperature and humidity conditions in the air seeming ideal for its circulation by promoting the maintenance in suspension of the aerosols which transport it.

The company Predict, a subsidiary of Météo-France specializing in the assessment of natural risks, estimates them at 5 ° C and 70% humidity.

"Our index quantifying the conditions favorable to air transmission is at its lowest since the end of May on the whole national territory, and should remain so in the weeks to come"

, specifies its president, Alix Roumagnac.

Read also:

Covid-19: is France in a "more than honorable situation" in Europe?

In addition, summer is conducive to outdoor activities, with less risk of contamination.

"Modeling work has shown a 50% reduction in virus transmission in summer compared to winter

," underlines Professor Arnaud Fontanet, head of the epidemiology of emerging diseases unit at the Institut Pasteur.

However, even if the Covid is transmitted less in summer, this parameter will not be enough

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Source: lefigaro

All tech articles on 2021-06-21

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