Marks Ray, COVID-19, and Vitamin D, and Air Pollution Global Epidemics Impact on Older Adults, Journal of Aging Research And Healthcare, Volume 3, Issue 3, 2020, Pages 22-31, ISSN 2474-7785, https://doi.org/10.14302/issn.2474-7785.jarh-20-3662. (https://openaccesspub.orgjarh/article/1519) Keywords: Aging; Air Pollution; Corona virus; COVID-19; Environmental Health; Global Health; Infection; Prevention; Public Health; Vitamin D Deficiency