AIIMS BBSR SNO - 2019
Community Health Nursing
Easy

Which hepatitis is often seen as outbreaks in camps and institutions?

Appeared in: AIIMS BBSR SNO - 2019

Explanation

  • Hepatitis A is an acute infectious disease caused by the Hepatitis A virus (HAV).
  • Its primary mode of transmission is the fecal-oral route, through ingestion of contaminated food or water.
  • Person-to-person spread is common in conditions of poor sanitation and overcrowding, which are often found in camps, schools, and institutions.
  • Outbreaks are common in these settings because the virus can survive in the environment and easily spread among people in close contact.

Why Other Options Were Wrong

  • Option B: Hepatitis C is primarily transmitted through parenteral routes, meaning contact with infected blood. The most common mode of transmission is sharing needles among injection drug users.
  • Option C: Hepatitis D, or Delta virus, is a defective virus that can only infect individuals who are already infected with Hepatitis B. Its transmission route is the same as Hepatitis B (blood and body fluids).
  • Option D: Hepatitis B is transmitted through percutaneous or mucosal exposure to infected blood or body fluids, such as semen and saliva. Common routes include sexual contact, sharing needles, and from an infected mother to her baby during birth.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Epidemiology and transmission routes of viral hepatitis as background academic context rather than a clinical decision trigger.
  • A nurse's primary role in controlling Hepatitis A is through patient and community education on prevention, focusing on hand hygiene, food safety, and the benefits of vaccination.
  • During an outbreak, nurses are key in identifying cases, tracing contacts, administering post-exposure prophylaxis (vaccine or immunoglobulin), and implementing infection control measures.
  • What if? If the outbreak occurred in a hemodialysis unit instead of a camp, the primary suspicion would shift to blood-borne pathogens like Hepatitis B or C, as the risk of blood exposure is significantly higher in that setting.
How to Approach the Question
  • First, identify the key terms in the question: 'outbreaks,' 'camps,' and 'institutions.'
  • Recognize that these settings imply close personal contact and potential issues with shared food, water, and sanitation.
  • Correlate these environmental factors with the known modes of transmission for each type of hepatitis.
  • Recall that the fecal-oral route is the mode of transmission most associated with poor sanitation and contaminated food/water.
  • Identify Hepatitis A as the virus primarily spread through the fecal-oral route, making it the most likely cause of such outbreaks.
  • Exclude Hepatitis B, C, and D as they are primarily blood-borne or sexually transmitted, which are less common causes for large-scale outbreaks in camp-like settings.
Concept Tested & Keywords
  • Concept Tested: Epidemiology and transmission routes of viral hepatitis.
  • Stem keywords: hepatitis, outbreaks, camps, institutions
  • Lead-in keywords: Which

Question ID

Qhz4c_8ylsOaxack2oL8II

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart B (pp 202-403 of 604) p. 61-63

E6 Medicine Harrison 22e Part 2 p. 556-558

E6 Microbiology OneStop Sastry p. 98-100

Practise the full AIIMS BBSR SNO - 2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.