Sources of Infection
- Infected food, often gaining an unusual look or smell, then is introduced into the stream of commerce;
- Poor kitchen hygiene, especially problematic in institutional kitchens and restaurants because this can lead to a significant outbreak;
- Excretions from either sick or infected but apparently clinically healthy people and animals (especially endangered are caregivers and animals);
- Polluted surface water and standing water (such as in shower hoses or unused water dispensers);
- Unhygienically thawed fowl (the meltwater contains many bacteria);
- An association with reptiles (pet tortoises, snakes, iguanas and frogs, but primarily aquatic turtles) is well described.
Salmonella bacteria can survive for some time without a host; thus, they are frequently found in polluted water, contamination from the excrement of carrier animals being particularly important.
Read more about this topic: Salmonella
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