Definition

Proper noun A specific serotype (strain) of the Salmonella bacteria, known scientifically as Salmonella enterica subsp. enterica serovar Typhimurium. It is a common cause of foodborne illness (gastroenteritis) in humans.

Usage and Examples

• Salmonella Typhimurium is frequently associated with outbreaks linked to contaminated poultry, eggs, and produce.
• The laboratory confirmed the presence of Salmonella Typhimurium in the patient's stool sample.
• Public health officials are tracking a multi-state outbreak of Salmonella Typhimurium infections.

Advanced Usage and Notes

• In formal scientific and medical writing, the name is often italicized () as is customary for genus and species names. The "Typhimurium" part is the serovar designation.
• It is one of the most prevalent serotypes of reported in cases of human salmonellosis worldwide.
• While it primarily causes self-limiting gastroenteritis, Salmonella Typhimurium can, in rare cases, lead to more severe invasive infections, especially in immunocompromised individuals, the elderly, and young children.

Variants and Related Words

• Salmonella (noun): The genus of rod-shaped bacteria. Salmonella Typhimurium is a specific type within this genus.
• Salmonellosis (noun): The disease caused by infection with bacteria, including Salmonella Typhimurium.
• Nontyphoidal Salmonella (noun phrase): A broad category of serotypes that cause gastroenteritis, as opposed to typhoid fever. Salmonella Typhimurium is a key nontyphoidal serotype.

Synonyms and Related Terms

• Foodborne pathogen: A microorganism that causes disease transmitted through food. Salmonella Typhimurium is a classic example.
• Enteric bacterium: A bacterium that inhabits the intestines. Salmonella Typhimurium is an enteric pathogen.

Key Distinctions

• Salmonella Typhi vs. Salmonella Typhimurium: These are distinct serotypes. Typhi causes typhoid fever, a severe systemic illness, while Salmonella Typhimurium typically causes acute gastroenteritis (food poisoning).
• Strain vs. Serotype: Salmonella Typhimurium refers to a specific serotype, which is a group within a species sharing distinct surface antigens. Different strains may exist within the Salmonella Typhimurium serotype.

Noun

1. a form of salmonella that causes food poisoning in humans