Listeriosis in a fetus or infant results in a poor outcome with a high death rate. Healthy older children and adults have a lower death rates.
Even with prompt treatment, some listeriosis cases result in death. This is particularly likely in older adults and in persons with other serious medical problems.
What to expect if I have Listeriosis  (Outlook/Prognosis)?
Listeriosis in a fetus or infant results in a poor outcome with a high death rate. Healthy older children and adults have a lower death rates.
Even with prompt treatment, some listeriosis cases result in death. This is particularly likely in older adults and in persons with other serious medical problems.