🦠microbiology review

Reemerging infectious disease

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

Definition

A reemerging infectious disease is an illness that had decreased in incidence but is now increasing again, often due to changes in the environment, human behavior, or pathogen evolution. These diseases can pose significant challenges to public health systems globally.

5 Must Know Facts For Your Next Test

  1. Reemerging infectious diseases can be caused by pathogens that develop resistance to treatments.
  2. Environmental changes like deforestation and climate change can contribute to the resurgence of these diseases.
  3. Global travel and trade facilitate the spread of reemerging infectious diseases across borders.
  4. Examples include tuberculosis, malaria, and cholera which have seen resurgences in various parts of the world.
  5. Public health strategies to manage reemerging diseases include surveillance, vaccination, and antimicrobial stewardship.

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