recent analysis found that, compared with lowland areas, there is a lower incidence of severe COVID-19 in Tibet and parts of Bolivia and Ecuador that are more than 2,500 meters above sea level.Lead study author Christian Arias-Reyes — from the Faculty of Medicine at Laval University in Quebec, Canada — and colleagues argued that physiological acclimatization or particular environmental characteristics associated with high altitude may protect people from SARS-CoV-2.
This is the virus that causes COVID-19.The international group of scientists proposed several mechanisms to explain this possible resistance to infection.
These included having fewer of the cell receptors that the virus uses to invade cells and having a higher tolerance of low.