Covid-19 and vit-d: Disease mortality negatively correlates with sunlight exposure
Lansiaux et al.,
Covid-19 and vit-d: Disease mortality negatively correlates with sunlight exposure,
Spatial and Spatio-temporal Epidemiology, doi:10.1016/j.sste.2020.100362
Analysis of COVID-19 mortality and sunlight exposure in continental metropolitan France, showing that average annual sunlight hours were significantly correlated with COVID-19 mortality, with a Pearson coefficient of -0.636.
Lansiaux et al., 23 Jul 2020, France, peer-reviewed, 4 authors.
Contact:
edouard.lansiaux.etu@univ-lille.fr, edouard.lansiaux@orange.fr, philippe.pebay@ng-analytics.com, jl@pi.cards, joachim.son-forget@assemblee-nationale.fr.
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Spatial and Spatio-temporal Epidemiology 35 (2020) 100362
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Spatial and Spatio-temporal Epidemiology
journal homepage: www.elsevier.com/locate/sste
Covid-19 and vit-d: Disease mortality negatively correlates with
sunlight exposure
Édouard Lansiaux a,∗, Philippe P. Pébaÿ b, Jean-Laurent Picard c, Joachim Forget d
a
Henry Warembourg School of Medicine, Lille University, 59000, Lille, France
NexGen Analytics, Sheridan, WY, 82801, U.S.A.
c
Conservatoire National des Arts et Métiers, 75141, Paris, France
d
Assemblée Nationale, 75355, Paris, France
b
a r t i c l e
i n f o
a b s t r a c t
Article history:
Received 19 June 2020
Accepted 20 July 2020
Available online 23 July 2020
The novel COVID-19 disease is a contagious acute respiratory infectious disease whose causative agent
has been demonstrated to be a new virus of the coronavirus family, SARS-CoV-2. Alike with other coronaviruses, some studies show a COVID-19 neurotropism, inducing de-myelination lesions as encountered
in Guillain-Barré syndrome.
Keywords:
COVID-19
Coronavirus
France
Correlation
Vitamin D
Phototherapy
UV
In particular, an Italian report concluded that there is a significant vitamin D deficiency in COVID-19
infected patients.
In the current study, we applied a Pearson correlation test to public health as well as weather data, in
order to assess the linear relationship between COVID-19 mortality rate and the sunlight exposure. For
instance in continental metropolitan France, average annual sunlight hours are significantly (for a p-value
of 1.532 × 10−32 ) correlated to the COVID-19 mortality rate, with a Pearson coefficient of -0.636.
This correlation hints at a protective effect of sunlight exposure against COVID-19 mortality. This paper
is proposed to foster academic discussion and its hypotheses and conclusions need to be confirmed by
further research.
© 2020 Elsevier Ltd. All rights reserved.
La nouvelle infection au COVID-19 est une maladie respiratoire
infectieuse sévère dont l’agent causal a été identifié comme un
nouveau virus de la famille des coronavirus, SARS-CoV-2. Comme
les autres coronavirus, des études montrent un neurotropisme du
COVID-19, induisant des lésions démyélinisantes comme dans le
syndrome de Guillain-Barré.
Plus particulièrement, une note italienne conclue qu’il y a un
déficit significatif en vitamine D chez les patients infectés par le
COVID-19.
Dans cette étude, nous avons utilisé un test de corrélation de Pearson sur des données de santé publique et
météorologiques, dans le but de statuer sur une possible relation
entre l’ensoleillement et la mortalité induite par le COVID-19. Pa
exemple dans la France métropolitaine continentale, la..
lansiaux
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