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Inhalation Anthrax

Anthrax is a zoonotic disease caused by Bacillus anthracis, a Gram-positive, spore-forming bacterium. It primarily affects herbivorous animals but can be transmitted to humans through skin contact, ingestion, or inhalation of spores.Cutaneous anthrax, the most common form, typically results from direct contact with bacterial spores through skin abrasions and is generally less severe. Gastrointestinal anthrax results from eating undercooked or contaminated meat. It affects the mouth, throat, or...
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Antiprotozoal Agents

Leishmaniasis is a widespread parasitic disease caused by several Leishmania species. It affects millions of people each year and remains a major public health problem in endemic regions. First-line treatment relies on pentavalent antimonials, including meglumine antimoniate and sodium stibogluconate. Even so, how these drugs work has not been fully clear, especially their interaction with parasite-specific biochemical pathways. One key target is trypanothione reductase (TR), an enzyme that...
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Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...
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Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
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Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...
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Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...

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Enteric fever: an Israeli perspective.

Eyal Meltzer1, Eli Schwartz

  • 1Infectious Disease Unit, Sheba Medical Center, Tel Hashomer, Israel.

The Israel Medical Association Journal : IMAJ
|November 9, 2007
PubMed
Summary

Typhoid fever remains a significant global health concern, particularly in endemic regions like India. Increased international travel necessitates greater awareness and preparedness among healthcare providers for managing this challenging disease.

Area of Science:

  • Infectious Diseases
  • Travel Medicine
  • Public Health

Background:

  • Typhoid fever is not endemic in developed nations like Israel but is frequently seen in returning travelers.
  • The disease persists globally, with high prevalence in popular travel destinations such as India.
  • Rising international travel and migration increase the risk of typhoid fever cases in non-endemic regions.

Purpose of the Study:

  • To highlight the continued relevance of typhoid fever for physicians in Israel.
  • To emphasize the challenges posed by limited vaccine efficacy and rising multidrug-resistant strains.
  • To underscore the need for increased physician awareness and preparedness for managing typhoid fever in travelers.

Main Methods:

  • This study is a review of the current epidemiology and clinical considerations of typhoid fever.

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  • Analysis of trends in international travel and migration patterns relevant to infectious disease transmission.
  • Evaluation of the efficacy of existing typhoid vaccinations and the prevalence of antimicrobial resistance.

    • Main Results:

    • Typhoid fever cases in Israel are primarily associated with individuals returning from endemic countries.
    • Multidrug-resistant strains of Salmonella Typhi are increasingly reported globally.
    • Current typhoid vaccinations offer limited protection, especially against resistant strains.

    Conclusions:

    • Physicians in Israel must be vigilant regarding typhoid fever due to increasing travel to endemic areas.
    • The emergence of multidrug-resistant typhoid necessitates improved diagnostic and treatment strategies.
    • Enhanced traveler education and updated vaccination protocols are crucial for disease prevention and management.