🦠microbiology review

Causative agent

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

A causative agent is a biological pathogen that causes a disease. These can include bacteria, viruses, fungi, or parasites.

5 Must Know Facts For Your Next Test

  1. Causative agents are identified through various diagnostic techniques such as cultures and molecular methods.
  2. Understanding the causative agent is essential for determining the appropriate treatment and control measures.
  3. Causative agents can be transmitted through different modes including direct contact, airborne transmission, and vector-borne spread.
  4. Some diseases have multiple causative agents, making diagnosis and treatment more complex.
  5. The identification of a causative agent often involves epidemiological studies to trace the source and pattern of outbreaks.

Review Questions

Causative agent Definition - Microbiology Key Term | Fiveable