A study led by scientists from the Republic of Cyprus has shown that the Covid-19 virus can be spread through an unexpected way that is pollen.
The research was led by computer physicist Talib Dbouk from the University of Nicosia in Cyprus and engineer Dimitris Drikakis.
The two developed a computer simulation of the willow tree, its ability to release pollen, and predict the degree of viral shedding involved.
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Through experiments, two researchers found that pollen from willow trees containing Covid-19 virus can penetrate a crowd of people standing up to 20 meters away from the tree in just 1 minute if the wind is blowing gently. Therefore, it has the potential to spread the virus more easily and further than droplet transmission.
On a windy day, an average willow tree can release more than 10,000 pollen grains into the air, and each of those seeds can contain hundreds of virus particles, the two scientists said.
Cypriot scientists started thinking about this study when they discovered a link between locations with high rates of Covid-19 infection and the US national allergy map.
Through analysis, the two researchers said that the current regulation of keeping a distance of 2m to reduce the risk of virus infection is not enough.
Local authorities should strengthen epidemic prevention measures in densely populated areas with many trees.
According to previous studies, the Covid-19 virus can spread from person to person through droplets, saliva, respiratory secretions … and can survive on a surface for many days.