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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.
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.
Where the mothers develop the disease between 5 days prior to, or 2 days after delivery. [17]: 110 Dengue haemorrhagic fever (DHF) Viral Untreated 26% Dengue haemorrhagic fever is also known as severe dengue. [33] [34] Murray Valley encephalitis (MVE) Viral No cure [15–30]% No specific treatment; usually involves supportive care. [35]
For over a century, public water systems have used chemical compounds to kill pathogens that cause waterborne diseases such as cholera and typhoid fever, saving countless lives. This purification ...
Complications of the disease often appear as anemia or septicaemia, and the mortality rate is 15% once these symptoms arise. [ 14 ] The serogroup S. Typhi is the cause of typhoid fever .
Without treatment, symptoms may last weeks or months. [1] Other people may carry the bacteria without being affected; however, they are still able to spread the disease to others. [3] Typhoid and paratyphoid are of similar severity. [3] Paratyphoid and typhoid fever are types of enteric fever. [7]
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]