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Typhoid fever, also known simply as typhoid, is a disease caused by Salmonella enterica serotype Typhi bacteria, also called Salmonella Typhi. [2] [3] Symptoms vary from mild to severe, and usually begin six to 30 days after exposure. [4] [5] Often there is a gradual onset of a high fever over several days. [4]
Salmonellosis is a symptomatic infection caused by bacteria of the Salmonella type. [1] It is the most common disease to be known as food poisoning (though the name refers to food-borne illness in general), these are defined as diseases, usually either infectious or toxic in nature, caused by agents that enter the body through the ingestion of food.
Paratyphoid fever, also known simply as paratyphoid, is a bacterial infection caused by one of three types of Salmonella enterica. [1] Symptoms usually begin 6–30 days after exposure and are the same as those of typhoid fever. [1] [3] Often, a gradual onset of a high fever occurs over several days. [1]
A World Health Organization study estimated that 21,650,974 cases of typhoid fever occurred in 2000, 216,510 of which resulted in death, along with 5,412,744 cases of paratyphoid fever. [ 76 ] Molecular mechanisms of infection
Most cases of salmonellosis are caused by food infected with S. enterica, which often infects cattle and poultry, though other animals such as domestic cats [3] [4] and hamsters [5] have also been shown to be sources of infection in humans. It primarily resides in the intestinal tract of animals and humans and can be found in feedstuff, soil ...
And there were 963 cases of hiccups – an 18% rise on the previous year. There was an 11% rise in the number of cases of nasal congestion, from 16,115 in 2022/23 to 17,827 in 2023/24.
Typhoid Mary, pictured above in a 1909 tabloid, was a famous case of a subclinical infection of Salmonella enterica serovar. A subclinical infection—sometimes called a preinfection or inapparent infection—is an infection by a pathogen that causes few or no signs or symptoms of infection in the host. [1]
Enteric fever is a medical term encompassing two types of salmonellosis, which, specifically, are typhoid fever and paratyphoid fever. [1] Enteric fever is a potentially life-threatening acute febrile systemic infection and is diagnosed by isolating a pathogen on culture.