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April 18, 2020


A preliminary study by the U.S. Department of Homeland Security (DHS) and the preliminary results of a study, available for official use only on Yahoo News, offers hope that the sun will hit the coronavirus hard this summer, but experts warn that will not completely eliminate the COVID-19 pandemic.

Information about this briefing and the study was published by this media on April 17 (Saturday) in the late evening.

The DHS Directorate of Science and Technology briefed Yahoo News authors that the study was the result of experiments conducted by the National Biodefense Analysis and Countermeasures Center, a laboratory created after the terrorist attack 9/11 in order to respond to threats with biological weapons.

The results of the DHS study, however, mean a significant contribution to the White House's scientific advisers' efforts to counter the spread of the pandemic, the authors of Yahoo News write, explaining that the DHS declined to comment questions about the study's findings and strongly warned against drawing conclusions based on officially unpublished data.
In terms of light, temperature and humidity, the virus is most stable in cold and dry air conditions. The virus weakens at higher temperatures and higher humidity, and much faster at sunlight. Based on this, it is claimed that the increase in temperature and humidity in the contaminated area reduce the risk of infection.

The risk of transmitting the virus from surfaces is lower in daylight. Indoor areas with low humidity (such as air cabins, for example) may require additional care to reduce the risk of transmission.

The key result of the study is contained in a short but very important sentence - sunlight destroys the virus quickly!

And according to some previous theories and preliminary findings of researchers, it is known that the virus in 20 percent humidity and in the absence of daylight can survive on the surface for more than 60 minutes. At temperatures above 30 degrees and humidity of 50 percent and in sunlight, the virus is destroyed  in a few minutes. If the virus is in the air in strong sunlight, the UV component of sunlight will break the DNA and RNA into fragments, scientists explain how the coronavirus 'dies'.




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