Background The COVID-19 pandemic has affected the world in multiple ways and has been
a challenge for the health systems of each country. From the beginning, risk factors for the …

Background Peru had the highest COVID-19 cumulative mortality rate worldwide. A greater
disadvantage in the population infected with COVID-19 living under chronic hypoxia would …

Abstract Background The SARS-CoV-2/COVID-19 pandemic has claimed nearly 900,000
lives worldwide and infected more than 27 million people. Researchers worldwide are …

Background: Peru had the highest COVID-19 accumulated mortality rate worldwide. A
greater disadvantage in the population infected with COVID-19 living under chronic hypoxia …

Results: An inverse correlation between cumulative incidence rate (1 823 districts) and
altitude (Rho:-0.355; p< 0.001) was observed, ie, it decreased at a higher altitude. In turn …

Thomson, Timothy M., Fresia Casas, Harold Andre Guerrero, Rómulo Figueroa-Mujíca,
Francisco C. Villafuerte, and Claudia Machicado. Potential protective effect from COVID-19 …

Segovia-Juarez et al., 2020). However, the interaction between altitude and COVID-19
infection has not been examined in a follow-up study since the first case reported in each …

It has been suggested that high altitude can reduce the infectivity and case fatality rate of
COVID-19. We investigated the relationship between altitude and the COVID-19 pandemic …

Background Several factors related to hospitalizations, morbidity, and mortality from COVID-
19 have been identified. However, limited exploration has been done on geographic and …

We assessed the relationship between the altitude of municipalities and the incidence,
mortality, and fatality from COVID-19 and excess of mortality in Colombia between 2020 and …