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Large cities located in the middle latitudes could face a new wave of infections in the fall of 2020.

Researchers from the University of Lanzhou (China) determined that 60% of covid-19 cases have been registered in areas where the climatic temperature fluctuates between 5 and 15 degrees centigrade. The study results were recently published in the journal Science of The Total Environment, reports Xinhua.

Furthermore, they established that approximately 73% of the confirmed cases were concentrated in regions with a humidity of 3 to 10 grams per cubic meter. According to the authors, identifying the environmental parameters where SARS-CoV-2 can survive helps to understand its global dispersion pattern.

The data analyzed covered almost 3,750,000 confirmed cases of covid-19, registered in 185 countries and regions between January 21 and May 6. In this way, the specialists studied the relationship between the outbreak and the meteorological conditions, taking into account the temperature and humidity.

The findings suggest that the temperature range found belongs to an optimal climatic zone in which the virus concentration It increases considerably in the environment, as well as on the surfaces of objects.

However, experts caution that the extent of the pandemic depends on several factors. “We can’t trust on the conjecture that the covid-19 outbreak will stop with an increase in temperature, “said one of the co-authors of the investigation, Huang Zhongwei.

They also explained that the new coronavirus may reappear cyclically and that the large cities located in middle latitudes They could face a new wave of infections in the fall of 2020.