<prompt> Answer this question truthfullyWhat is the natural course of Listeriosis?  <response>: <reason> The prognosis of listeriosis depends on the health status of the host: Healthy children and young adults have a good prognosis and are at low-risk of developing Listeria -associated complications and long-term sequelae. High-risk populations, including pregnant women, neonates, elderly, and immunosuppressed individuals, have a poorer prognosis with a high death rate even when treatment is administered promptly. 