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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.
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.
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.
Typhoid fever causes 11 million infections and more than 100,000 deaths per year, and is most prevalent in south Asia – which accounts for 70% of the global disease burden.
Typhoid fever is caused by Salmonella serotypes which are strictly adapted to humans or higher primates—these include Salmonella Typhi, Paratyphi A, Paratyphi B, and Paratyphi C. In the systemic form of the disease, salmonellae pass through the lymphatic system of the intestine into the blood of the patients (typhoid form) and are carried to ...
Paratyphoid fever; Other names: Paratyphoid: Rose colored spots on the chest of a man with typhoid fever, similar to those of paratyphoid: Specialty: Infectious disease: Symptoms: Fever, headache, rash, weakness [1] [2] Usual onset: 6–30 days post-exposure [1] [3] Duration: Weeks to months [1] Causes: Salmonella enterica spread by food or ...
Salmonella enterica ... S. enterica genomes have been reconstructed from up to 6,500 year old human remains ... The serogroup S. Typhi is the cause of typhoid fever ...
The chlorination of public drinking water led to the sharp reduction of typhoid in developed nations. [8] In typhoid-endemic countries, Typhoid vaccines have been shown to prevent 40 to 90% of cases during the first two years, [ 9 ] and may have some effect for up to seven years.