EO 12452Executive OrderReagan · R Quiet signal

Executive Order 12452

Revised list of quarantinable communicable diseases

This executive order updates the official list of quarantinable communicable diseases under federal quarantine authority, replacing three prior executive orders. It specifies seven disease categories—including cholera, diphtheria, tuberculosis, plague, smallpox, yellow fever, and viral hemorrhagic fevers—as grounds for federal apprehension, detention, or conditional release of individuals to prevent disease spread.

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Impact dates

  1. EO takes effect; prior EOs revoked

Key directives

  • Specify cholera/suspected cholera as quarantinable
  • Specify diphtheria as quarantinable
  • Specify infectious tuberculosis as quarantinable
  • Specify plague as quarantinable
  • Specify suspected smallpox as quarantinable
  • Specify yellow fever as quarantinable
  • Specify suspected viral hemorrhagic fevers (Lassa, Marburg, Ebola, Congo-Crimean, others) as quarantinable
  • Revoke EO 9708 (1946)
  • Revoke EO 10532 (1954)
  • Revoke EO 11070 (1962)

Timeline

Immediate

  • Revocation of three prior executive orders (EO 9708, 10532, 11070)
  • New quarantinable disease list takes effect

Near term (90d)

  • HHS/CDC to update implementing regulations to reflect revised disease list

Long term

  • Ongoing federal quarantine and isolation authority based on specified diseases
  • Potential future updates as new diseases emerge

Risks & tensions

  • Vague catch-all 'others not yet isolated or named' for viral hemorrhagic fevers grants broad discretionary authority to executive branch
  • No explicit due process procedures specified in EO text for apprehension/detention
  • Delegation to HHS regulations leaves operational details undefined in order itself
  • Potential tension between public health powers and civil liberties, though not explicitly addressed
Executive Order 12452: Revised list of quarantinable communicable diseases · Executive Orders