JACKSONVILLE, Florida - Walmart announced that it is closing all 51 health centers spread across five states, including 23 locations in Florida."We launched Walmart Health centers with a mission to help people save money and live better. However, after careful consideration, we have determined that there is not a sustainable business model for us to continue," the retail giant stated in a release.Florida Locations:BrandonHudsonJacksonville (5)Kissimmee (2)LutzMiddleburgNew Port RicheyOcoeeOrlando (3)Pinellas ParkPlant CitySanfordSt. PetersburgWesley ChapelWinter GardenZephyrhills