Double COVID-19 Confirmed Case Fatality Rate in Countries with High Elderly Female Vitamin D Deficiency Prevalence

14 Pages Posted: 16 Jun 2020 Last revised: 25 Jun 2020

See all articles by Alex Bäcker

Alex Bäcker

Ab Inventio, The Invention Factory; Drisit; QLess

Myron Mageswaran

Vanderbilt University

Date Written: June 2, 2020

Abstract

A number of clues point to a possible role of vitamin D in fighting COVID-19: a reduction in case growth speed with solar zenith angle, higher fatality rate in black people, lower fatality rate in populations that spend more time outdoors. Yet a direct demonstration that vitamin D deficiency is associated with COVID-19 fatalities has remained elusive. We show here in a comparison of 32 countries that countries with high prevalence of vitamin D deficiency among elderly females show a confirmed case fatality rate twice as high as those with low prevalence. We then show that this effect cannot be explained by differences in life expectancy between countries. A mechanistic role for vitamin D in the severity of COVID-19 is proposed.

Note: Funding: No funding received other than software from Mathworks, Inc.

Conflict of Interest: No competing interests to declare.

Keywords: COVID-19, vitamin D, coronavirus

Suggested Citation

Bäcker, Alex and Mageswaran, Myron, Double COVID-19 Confirmed Case Fatality Rate in Countries with High Elderly Female Vitamin D Deficiency Prevalence (June 2, 2020). Available at SSRN: https://ssrn.com/abstract=3623662 or http://dx.doi.org/10.2139/ssrn.3623662

Alex Bäcker (Contact Author)

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Myron Mageswaran

Vanderbilt University ( email )

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