Moderna's CEO claimed that "we could potentially in the fall of 2023 have the Moderna flu vaccine" (https://www.wsj.com/articles/modernas-ceo-on-its-new-covid-19-booster-prospects-for-cancer-vaccines-11663339811?st=p9hfwwo5y886buu&reflink=desktopwebshare_permalink)

I will resolve "Yes" if any influenza mRNA is approved or given an emergency use authorization by the FDA, and it is available for the general public, for a specific age-group (e.g. 65 years or older) or for a group with certain health conditions (e.g. moderately or severely immunocompromised).