Scientists have found coronavirus-related genetic signals in five populations living in China, Japan and Vietnam, with the outbreak spreading beyond these countries. but other regions not enough information So there is no way to know all the boundaries.
But for all five populations, the researchers found that those affected by the outbreak Beneficial genetic mutations which protects them from the corona virus
The results of the study stated that The coronavirus outbreak occurred 20,000 years ago individually in each region. and spread throughout East Asia in a large outbreak base. But scientists don’t know. How did the ancients survive the epidemic? And it is not known for sure whether Outbreaks occur seasonally like the flu. or occurring continuously like COVID-19