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Related Concept Videos

Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Giardiasis01:12

Giardiasis

Giardiasis is a globally prevalent intestinal infection caused by the protozoan parasite Giardia duodenalis (also known as G. lamblia or G. intestinalis). This flagellated protozoan is the most frequently identified intestinal parasite in the United States and worldwide. Transmission primarily occurs via the fecal-oral route, with infection arising from ingestion of water or food contaminated with cysts. Individuals in low-resource settings, international travelers, outdoor enthusiasts, daycare...
Diphtheria01:28

Diphtheria

Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...
Reservoir of Infection01:30

Reservoir of Infection

Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
Infection01:20

Infection

When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
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Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...

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Related Experiment Video

Updated: Jul 5, 2026

Protocol for Dengue Infections in Mosquitoes (A. aegypti) and Infection Phenotype Determination
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Protocol for Dengue Infections in Mosquitoes (A. aegypti) and Infection Phenotype Determination

Published on: July 4, 2007

A diplomatic disease.

Ruthanne R Taylor1, Buddha Basnyat, Robert McNair Scott

  • 1Foreign Embassy, Kathmandu, Nepal.

Journal of Travel Medicine
|May 23, 2008
PubMed
Summary
This summary is machine-generated.

Hepatitis E was misdiagnosed as Hepatitis C in a diplomat traveling in Europe. This case highlights the importance of considering Hepatitis E, especially when traveling, and its prevention.

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Area of Science:

  • Hepatology
  • Infectious Diseases
  • Public Health

Background:

  • Hepatitis C and E are distinct viral infections affecting the liver.
  • Travelers can be exposed to various infectious agents in different geographical regions.
  • Accurate diagnosis is crucial for effective treatment and public health management.

Observation:

  • A diplomat initially diagnosed with probable Hepatitis C during European travel was later confirmed to have Hepatitis E upon returning to Nepal.
  • This diagnostic discrepancy underscores potential challenges in differentiating hepatitis viruses based on initial clinical presentation and geographical exposure.

Findings:

  • The case emphasizes the critical role of differential diagnosis in viral hepatitis.
  • Hepatitis E, though often self-limiting, can have significant implications, particularly for certain populations.
  • Geographical factors and travel history are vital clues in diagnosing infectious diseases.

Implications:

  • Clinicians should maintain a high index of suspicion for Hepatitis E in travelers returning from endemic areas.
  • Public health strategies should focus on raising awareness and promoting preventive measures against Hepatitis E transmission.
  • Improved diagnostic protocols are needed to accurately distinguish between different types of viral hepatitis, especially in diverse clinical settings.