Salmonella bacteria can be killed by temperatures of 130 F or higher for 2 hours, or at 165 F for a few seconds. A person with Salmonellosis can transmit the disease to others for up to several days to several months via cross-contamination and inadequate handwashing after toilet use. Symptoms Salmonellosis is usually characterized by headache, abdominal pain, diarrhea, nausea, vomiting, dehydration, fever and loss of appetite. Death is uncommon, except for the very young, very old and the immuno-compromised. Mode of Transmission Ingestion of fecal material containing the bacteria via undercooked meats or eggs, contaminated food or tableware, and untreated public water supplies.
Listeria is a common bacteria and is very difficult to eliminate.
However, thorough cooking will destroy it. Listeriosis can be a severe illness for the old, very young and for people who are immuno-compromised. The infection is usually characterized by nausea, vomiting, headaches, delirium, coma, collapse, shock and lesions on vital organs. In pregnant women, the illness can cause a miscarriage or result in stillbirths. Listeriosis may also cause severe retardation, meningitis and death in newborns.