Costinuk and Jenabian ask a great question in Cytokine Growth Factor Review about whether or not CBD might be helpful in COVID 19 therapy. They do not report on their own research, but they provide one of the most concise reviews of CBD anti-inflammatory research which supports further study on this natural therapy in the treatment of COVID 19. If you only have a few minutes and need some convincing, this is the quickest read.
Costiniuk CT, Jenabian MA. Acute inflammation and pathogenesis of SARS-CoV-2 infection: Cannabidiol as a potential anti-inflammatory treatment? Cytokine Growth Factor Rev. 2020 Jun;53:63-65. doi: 10.1016/j.cytogfr.2020.05.008. Epub 2020 May 20. PMID: 32467020; PMCID: PMC7239000.