The concern is skin cancer https://www.webmd.com/cold-and-flu/news/20180212/can-uv-light-be-used-to-kill-airborne-flu-virus- remedisivir already cured a patient who had CV. It's in trials in China completing in April. A vaccine, etc. is needed because it sounds like one can get it repeatedly; spreading it to children or the elderly (who'll die) Maybe medical staff can at least be vaccinated.