Related Experiment Video
Updated: May 28, 2026

04:57
Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples
Published on: April 25, 2025
The koro epidemic in lower assam
D Dutta1, H R Phookan, P D Das
1Professor of Psychiatry, Department of Psychiatry, Gauhati Medical College, Gauhati-781003.
Indian Journal of Psychiatry
|October 4, 2011
Summary
This study analyzes a Koro epidemic in Assam, finding it primarily affected young Hindu Assamese males below 30. Public reassurance through mass media was key to resolving the outbreak without fatalities.
Area of Science:
- Psychiatry
- Epidemiology
- Cultural Psychiatry
Background:
- Koro is a culture-bound syndrome characterized by intense anxiety about genital retraction.
- Epidemics of Koro have been documented in various parts of Asia.
Purpose of the Study:
- To analyze the socio-economic, cultural factors, and clinical symptomatology of a Koro epidemic in Assam.
- To identify predisposing factors and outcomes of Koro during the epidemic.
Main Methods:
- A survey of 83 Koro cases, including 19 females, treated at Gauhati Medical College.
- Analysis of socio-economic, cultural, and clinical data.
Main Results:
- Koro predominantly affected young males (<30 years) from Hindu Assamese, middle-class families.
- Genital symptoms were prevalent, with attacks occurring mostly at night.
- Exposure to hearsay or witnessing Koro cases precipitated illness; marriage, education, or occupation did not confer immunity.
Conclusions:
- The Koro epidemic in Assam disproportionately affected young Hindu Assamese males.
- Public reassurance via mass media effectively managed the epidemic, leading to its subsidence without fatalities.
Related Concept Videos
Investigation of Disease Outbreaks
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
Amebiasis
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...
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...
American Trypanosomiasis
Chagas disease, or American trypanosomiasis, is a vector-borne parasitic infection caused by Trypanosoma cruzi, a flagellated protozoan (kinetoplastid) of the family Trypanosomatidae. The disease is endemic in Latin America, although cases are increasingly reported worldwide due to human migration. Transmission most commonly occurs when feces of infected triatomine bugs contaminate bite wounds or mucosal surfaces; additional routes include congenital, transfusional, transplant-related, and oral...
Cholera
Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...
Colonisation of Pathogens
Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
