Corona crisis: can UV rays of the sun effect on coronavirus infection?

Studies show that the new Coronavirus (SARS-CoV-2) infection is depending on heat, humidity and population density. Therefore, in the Northern Hemisphere, during the spring and the hot conditions of summer may reduce the rate of COVID-19. There are different opinions about this matter though.
Corona crisis: can UV rays of the sun effect on coronavirus infection?

Iceland has a high prevalence of corona infection
The effect of ultraviolet rays of the sun can play a bigger role than heat and humidity. Climate and weather may play a part in reducing the transmission rate of Covid-19, a study has revealed recently. New sources have found, how the virus will behave during the summer in the United States. UV rays have an impact on the coronavirus. Specifically, monitoring per capita infection rates in Iceland and Australia may show a glimpse of the potential impact of ultraviolet rays on the spread of COVD-19, worldwide.  Till Tuesday, Iceland has confirmed the rate of virus infection is 0.177% per capita, that means, about 648 people is infected out of 364260. The confirmed infection rate in Australia is 0.0083% per capita, with 2044 persons out of a population of 25.4 million.

The role of the ultraviolet ray on coronavirus

This means that the infection rate in Iceland is 22 times higher than in Australia. While heat and humidity can play a role in the disparity, a closer look at the effect of UV rays suggests that it may be more crucial than the other two weather factors. The average temperature in Sydney, Australia, from January 1, 2020, to 15th March, was 78.4 centigrade, which is known as the summer season in the southern hemisphere. At the same time, the average temperature of Reykjavik in Iceland was 12.5 ° C, which is the winter season in the Northern Hemisphere. For a closer comparison, AccuWeather compares the matter with a city having winter experience of that time. The average temperature in Iceland can be compared to that of Chicago (32.6 centigrade) at that time.  But while Chicago's coronavirus infection was substantially reduced per capita (1.0178 percent, 490 cases out of 20 million), Iceland's rates have increased nearly three times higher than that of Chicago's. John Nichols, a professor at the University of Hong Kong, said that the coronavirus could be destroyed by the sun's rays. When contacted with  Nichols' team on behalf of AccuWeather, they said they were investigating whether the sun's rays affected the Covid-19 virus, like other germs, including flu.

Ultraviolet rays of the sun are too much low in Iceland
because Iceland is so far north, its latitude is 64.1 and its mainland is only a few degrees south of the Arctic Circle, so this country receives much less sunlight and solar intensity than other southern cities. Iceland received less ultraviolet rays, especially from Sydney, from December to January-February. Even in winter, there is no ultraviolet ray in Iceland. In winter, ultraviolet rays are somewhat available in Chicago, and the effects of ultraviolet rays in Sydney are higher than these two cities. The good news for Iceland is that, as the spring season continues until summer, the country will continue to experience more UV, which may be affecting the Coronavirus case.

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