How beneficial is Evusheld for people with MS on B-cell depleting DMT's like Ocrevus?

The FDA just gave emergency use authorization for this drug. I've attached two links. https://www.astrazeneca.com/media-centre/press-releases/2021/evusheld-long-acting-antibody-combination-authorised-for-emergency-use-in-the-us-for-pre-exposure-prophylaxis-prevention-of-covid-19.html https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=report.page There should be a study done to look into how the efficacy changes across the spectrum of COVID-19 vaccines including Moderna, Pfizer, and Janssen.