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How many cases of Korla infected COVID-19 in September, 2022 19?

On September, 2022, 4 cases of COVID-19 were infected in Korla. According to the latest news released on September 19, 2022 in Korla, Bazhou, there were 4 new cases with no symptoms. According to a report published by the American Healthy Living News Network, the University of Michigan found that the possibility of air spreading to COVID-19 is 1000 times that of touching the surface of an object. Researchers at the University of Michigan have tested air and ground samples on campus and found that the probability of inhaling virus particles is greater than the probability of finger contact infection.