Raj. CHO -2025
Applied Microbiology & Infection control
Easy

When was the first case of HIV detection

Appeared in: Raj. CHO -2025

Explanation

  • The year 1984 is recognized for the first detection of HIV because this is when the virus was definitively demonstrated to be the causative agent of AIDS.
  • Following the initial isolation of the virus in 1983, research in 1984 solidified its role and paved the way for the first diagnostic serological tests.
  • This confirmation was a critical step that separated the identification of the syndrome (AIDS) from the detection of its specific cause (HIV).

Why Other Options Were Wrong

  • Option A: 1985 is incorrect because it marks the year the first commercial blood test (ELISA) was approved for widespread screening, not the initial laboratory detection of the virus.
  • Option B: 1986 is incorrect as it marks the year the first HIV case was detected in India, which is a significant event for the country but not the first global detection.
  • Option C: 1987 is incorrect. This year is significant for the approval of the first antiretroviral drug, Zidovudine (AZT), used to treat HIV, not for its detection.

Related Visual

Visual explanation — Related Visual
  • Visual 1: Timeline Infographic - A visual timeline showing key dates in the history of HIV/AIDS, from the first reported cases in 1981, virus isolation in 1983, confirmation in 1984, ELISA test in 1985, and the first treatment in 1987. This helps to place the correct answer in its historical context.
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain History of HIV/AIDS Discovery and Diagnosis as background academic context rather than a clinical decision trigger.
  • Understanding the history of HIV/AIDS helps nurses educate patients and communities, combat stigma associated with the disease, and appreciate the rapid scientific advancements in diagnostics and treatment.
  • Knowledge of this timeline is crucial for public health nurses involved in awareness campaigns and for understanding the evolution of infection control and prevention strategies.
  • What if the question asked about the first isolation of the virus? The answer would change to 1983, when researchers at the Pasteur Institute in France first isolated the virus, which they named LAV (lymphadenopathy-associated virus).
How to Approach the Question
  • This is a factual recall question that tests knowledge of medical history.
  • First, identify the key event in the question: 'first case of HIV detection'.
  • Differentiate between related but distinct events: reporting the syndrome (AIDS), isolating the virus (HIV), confirming its role, and developing widespread tests.
  • Recall or deduce the specific years associated with these milestones. The 'first detection' in a diagnostic sense refers to the confirmation of the virus as the cause and the development of initial tests.
  • Evaluate the options: 1985 (widespread testing), 1986 (first case in India), and 1987 (first treatment) are all important but incorrect for the specific question asked.
  • Select 1984 as the year the virus was confirmed as the cause of AIDS, a crucial step in its 'detection'.
Concept Tested & Keywords
  • Concept Tested: History of HIV/AIDS Discovery and Diagnosis
  • Stem keywords: first case, HIV detection
  • Lead-in keywords: When

Question ID

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Practise the full Raj. CHO -2025

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