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It is interesting to discover that one of the brightest vectors can be made by simple sunlight.One article in the journal Virology reveals that the sun's radiation can inhibit the spread of varicella. Researchers at the University of London have found that chicken pox is less common in high-UV radiation areas. Sunlight inactivates viruses on the skin, which prevents them from spreading. However, other experts also believe that other factors, such as temperature, humidity, and even living conditions, play a role in the spread of the disease.
Varicella-zoster virus is extremely infectious. Although infections can occur in the early stages of infection, they may also be associated with cough and wheezing, and the main source of infection is usually associated with disease-specific manifestations.
Leading the research Dr. Phil Rice said that we know about UV light that it can inactivate viruses. This may explain the fact that varicella is less common and has a lower rate of human-to-human transmission in the tropical countries. It also follows that illness is more common in colder seasons in temperate countries, as people are exposed to less sunlight.
The university's research team has analyzed 25 previous research on varicella-zoster virus in different countries around the world and compared the data with a number of climatic factors. The results showed a clear correlation between the UV level and the incidence of varicella.
Judy BreuerAccording to a professor at University College London, it is possible that UV can actually contribute to the incidence of varicella, but there are many other factors to consider. According to experts, the spread of the virus, besides UV radiation, is influenced by the temperature, humidity and social factors such as the smeared life expectancy.