SARS-CoV-2 can be spread by plant pollen

Physicists from the University of Nicosia in Cyprus have confirmed that pollen may contribute to the spread of the coronavirus.

The authors created a computer model of the distribution of pollen: a willow was taken as a sample.

They made a complete 3D model of a tree that emits 10 thousand pollen particles in a weak wind (about 4 km/h), and also studied how the air flow interacts with a small number of 11 people, and a relatively large crowd of up to 100 people.

As a result, it turned out that pollen significantly accelerated the spread of coronavirus, even if the wind speed outside was minimal.

Pollen grains carry SARS-CoV-2 particles six meters or more. Under normal conditions, they fly no more than two meters.

In the event of a high concentration of pollen grains in the air or during flowering in spring, a social distance of 2 m is not a safety measure for people outdoors. Thus, public authorities must rethink the principles of social distancing.

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Scientists have concluded that the tandem of pollen and the virus caused last year’s summer surges in the spread of COVID-19 in parts of the United States and Europe.

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Alexandr Ivanov earned his Licentiate Engineer in Systems and Computer Engineering from the Free International University of Moldova. Since 2013, Alexandr has been working as a freelance web programmer.
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Alexandr Ivanov

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