COVID-19 mortality increases with northerly latitude after adjustment for age suggesting a link with ultraviolet and vitamin D

Rhodes, J., Dunstan, F., Laird, E., Subramanian, S., & Kenny, R. A. (2020, July 9). COVID-19 mortality increases with northerly latitude after adjustment for age suggesting a link with ultraviolet and vitamin D. BMJ Nutrition, Prevention and Health. BMJ Publishing Group. https://doi.org/10.1136/bmjnph-2020-000110