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Current Affairs

Ultraviolet rays and risk of covid-19 death

Date: 14 April 2021 Tags: Miscellaneous

Issue

Researchers have tried to relate Covid-19 deaths and ultraviolet rays by studying levels of ultraviolet radiations in different areas.

 

Background

There have been many studies to understand effects of environment on Covid-19 deaths. This is one among many emerging details.

 

Details

  • The study indicated that people living in areas with the highest UV level exposure had a lower risk of dying from Covid-19 in comparison to those with lower levels.

  • Ultraviolet rays forms about 95 per cent of the Sun’s UV light and can penetrate more deeply into the skin. 

  • The study could not determine the relation between reduction in deaths and higher levels of vitamin D.

  • The study was able to find that nitric oxide emitted from the skin due to exposure to UV rays was inhibiting replication of SARS CoV-2 virus.

 

Previous studies on sunlight

  • Earlier studies have found a link between increased sunlight exposure and decreased chances of cardiovascular diseases such as heart attacks.

  • This is significant because heart disease was one of the major reasons for deaths as a result of Covid-19.