Since 2023, Moderna and Korea University have been developing a new mRNA vaccine for hantavirus. The work has been promising so far, but a finished product isn't likely coming any time soon. https://www.wired.com/story/a-new-hantavirus-vaccine-is-in-the-works/?utm_brand=wired-science&utm_campaign=aud-dev&utm_medium=social&utm_social-type=owned&utm_source=voante-science