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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]
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. [1] [copyright violation] Typhoid fever is caused by the Salmonella ...
Paratyphoid fever. 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]
History of typhoid fever. In 2000, typhoid fever caused an estimated 21.7 million illnesses and 217,000 deaths. [1] It occurs most often in children and young adults between 5 and 19 years old. [2] In 2013, it resulted in about 161,000 deaths – down from 181,000 in 1990. [3] Infants, children, and adolescents in south-central and Southeast ...
Typhoid fever is caused by the bacterium Salmonella enterica Serovar Typhi. [37] In Canada alone, the typhus epidemic of 1847 killed more than 20,000 people from 1847 to 1848, mainly Irish immigrants in fever sheds and other forms of quarantine, who had contracted the disease aboard the crowded coffin ships in fleeing the Great Irish Famine ...
Widal test. The Widal test, developed in 1896 and named after its inventor, Georges-Fernand Widal, is an indirect agglutination test for enteric fever or undulant fever whereby bacteria causing typhoid fever is mixed with a serum containing specific antibodies obtained from an infected individual. In cases of Salmonella infection, it is a ...
Continuous fever is a type or pattern of fever in which temperature does not touch the baseline and remains above normal throughout the day. The variation between maximum and minimum temperature in 24 hours is less than 1°C (1.5°F). [1] It usually occurs due to some infectious disease. Diagnosis of continuous fever is usually based on the ...
Undulant fever, seen in brucellosis. Typhoid fever is a continuous fever showing a characteristic step-ladder pattern, a step-wise increase in temperature with a high plateau. [47] Among the types of intermittent fever are ones specific to cases of malaria caused by different pathogens. These are: [48] [49]