Typhoid fever: Difference between revisions

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{{for|a similar disease with a similar name|typhus}}
{{for|a similar disease with a similar name|typhus}}
{{for|a related disease which is caused by a different bacterium|Paratyphoid fever}}
{{for|a related disease which is caused by a different bacterium|Paratyphoid fever}}
==Transmission==
[[Image:Typhoid stats.gif|thumb|right|Death rates for Typhoid Fever in the U.S. 1906-1960]]
Flying insects feeding on feces may occasionally transfer the bacteria through poor hygiene habits and public sanitation conditions. Public education campaigns encouraging people to wash their hands after toileting and before handling food are an important component in controlling spread of the disease. According to statistics from the United States [[Centers for Disease Control]], the [[chlorination]] of drinking water has led to dramatic decreases in the transmission of typhoid fever in the U.S..
A person may become an [[asymptomatic carrier]] of typhoid fever, suffering no symptoms, but capable of infecting others. According to the [[Centers for Disease Control]] approximately 5% of people who contract typhoid continue to carry the disease after they recover.
==[[Epidemiology]]==
==[[Epidemiology]]==
[[Image:Typhoid feverI.gif|thumb|right|Locations of typhoid outbreaks worldwide]]
[[Image:Typhoid feverI.gif|thumb|right|Locations of typhoid outbreaks worldwide]]

Revision as of 18:13, 21 August 2012

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Typhoid fever
Salmonella typhi bacteria
ICD-10 A01.0
ICD-9 002
DiseasesDB 27829
MeSH D014435

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Overview

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Epidemiology and Demographics

Risk Factors

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Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

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CT

MRI

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Case #1

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Directions to Hospitals Treating Typhoid fever

Risk calculators and risk factors for Typhoid fever

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differential Diagnosis

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory tests | ECG | EEG | Chest X Ray |CT | Echocardiography or Ultrasound |Other imaging studies | Alternative diagnostics

Treatment

Medical therapy | Surgical options | Prevention | Financial costs| Future therapies


Typhoid fever Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Typhoid fever from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

X ray

CT

MRI

Ultrasound

Other Imaging Findings

Other diagnostic tests

Treatment

Medical Therapy

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Typhoid fever On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Typhoid fever

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Typhoid fever

CDC on Typhoid fever

Typhoid fever in the news

Blogs on Typhoid fever

Directions to Hospitals Treating Typhoid fever

Risk calculators and risk factors for Typhoid fever

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]

See also

Epidemiology

Locations of typhoid outbreaks worldwide

With an estimated 16-33 million cases of typhoid annually resulting in 500,000 to 600,000 deaths In endemic areas, the World Health Organisation identifies typhoid as a serious public health problem. Its incidence is highest in children between the ages of 5 and 19 years.[1]

In the United States about 400 cases occur each year, and 75% of these are acquired while traveling internationally. Typhoid fever is still common in the developing world, where it affects about 21.5 million persons each year. Typhoid fever is common in most parts of the world except in industrialized regions such as the United States, Canada, western Europe, Australia, and Japan. Therefore, if you are traveling to the developing world, you should consider taking precautions. Over the past 10 years, travelers from the United States to Asia, Africa, and Latin America have been especially at risk.

Heterozygous advantage

It is thought that cystic fibrosis may have risen to its present levels (1 in 1600 in UK) due to the heterozygous advantage that it confers against typhoid fever. The CFTR protein is present in both the lungs and the intestinal epithelium, and the mutant cystic fibrosis form of the CFTR protein prevents entry of the typhoid bacterium into the body through the intestinal epithelium.

References

  1. "Typhoid Fever". World Health Organisation. Retrieved 2007-08-28. Check date values in: |accessdate= (help)

Further reading

  • Gale's Encyclopedia of Medicine, published by Thomas Gale in 1999, ISBN

External links


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