Millions Of Viruses Are Falling From Sky

    • PTI
    • Publish Date: Feb 8 2018 4:28PM
    • |
    • Updated Date: Feb 8 2018 5:40PM
Millions Of Viruses Are Falling From Sky

An astonishing number of viruses are circulating around the Earth's atmosphere - and falling from it, according to a study.
The finding may explain why genetically identical viruses are often found in very different environments around the globe, researchers said.

The study marks the first time scientists have quantified the viruses being swept up from the Earth's surface into the free troposphere, the layer of atmosphere beyond Earth's weather systems but below the stratosphere where jet airplanes fly.

The viruses can be carried thousands of kilometres there before being deposited back onto the Earth's surface, researchers said.

"Every day, more than 800 million viruses are deposited per square metre above the planetary boundary layer - that is 25 viruses for each person in Canada," said Curtis Suttle, virologist at the University of British Columbia in Canada.

Bacteria and viruses are swept up in the atmosphere in small particles from soil-dust and sea spray.

The deposition rates for viruses were nine to 461 times greater than the rates for bacteria.

The researchers also found the majority of the viruses carried signatures indicating they had been swept up into the air from sea spray.

The viruses tend to hitch rides on smaller, lighter, organic particles suspended in air and gas, meaning they can stay aloft in the atmosphere longer.

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Comments

Raeka Kaur Gulati Sri Venkateshwar International School, Sector 18,

I never knew this information ................ I thought we were safe inside our homes, nut eventually it turns out that viruses and bacteria can enter in our homes through the windows and doors with the help of the medium of air and wind.

girish jain J.B.MRIGAVTI VIDYALAYA(ALIPUR G.T.K

this is hilarious but this all is happening beacuse of us we are producing so much of pollution global warming etc. which helps new species of viruses to born

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