Marks Ray, Long COVID-19 Syndrome and Frailty: Cause or Consequence or Both?, Journal of Aging Research And Healthcare, Volume 4, Issue 3, 2023, Pages 41-55, ISSN 2474-7785, https://doi.org/10.14302/issn.2474-7785.jarh-23-4432. (https://jndc-chemistryarticles.infojarh/article/1905) Keywords: COVID-19; Frailty; Long COVID; Intervention; Post-acute COVID; Prevention