What to know
Updates to the Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings (2007).
Recommendation updates for Viral hemorrhagic fevers, Andes virus, and Nipah virus: Appendix A [September 2024]
Changes: Appendix A precaution recommendation updates for Viral hemorrhagic fevers and new Appendix A precaution recommendations for Andes virus and Nipah virus.
Recommendation VI.F.3. and Appendix A, Table 5 updates [June 2023]
Changes: Updates and clarifications to Recommendation VI.F.3. and Appendix A, Table 5.
Interim Measles Infection Control [July 2019]
See Interim Infection Prevention and Control Recommendations for Measles in Healthcare Settings
Gastroenteritis, Norovirus Precaution Update [April 2019]
Update: The Type of Precaution for Gastroenteritis, Noroviruses, in Appendix A: Type and Duration of Precautions Recommended for Selected Infections and Conditions was updated from "Standard" to "Contact + Standard" to align with Guideline for the Prevention and Control of Norovirus Gastroenteritis Outbreaks in Healthcare Settings (2011).
Varicella Post-exposure Prophylaxis Update [April 2019]
This update aligns with and clarifies the 2013 Updated Recommendations for use of VariZIG.
Update: For susceptible exposed persons for whom vaccine is contraindicated, provide varicella zoster immune globulin as soon as possible after exposure and within 10 days. See Updated Recommendations for Use of VariZIG — United States, 2013.
Environmental Control Recommendation Update [April 2019]
Correction: For recommendation VI.C.1.c., the pressure differential changed from ≥ 12.5 to ≥ 2.5.
Tdap Vaccine Recommendations [2018]
Update: Current recommendations can be found at CDC Tdap / Td ACIP Vaccine Recommendations.
Appendix A Updates [September 2018]
Changes: Updates and clarifications made to the table in Appendix A: Type and Duration of Precautions Recommended for Selected Infections and Conditions.
Mumps [September 2018]
Update: The Healthcare Infection Control Practices Advisory Committee (HICPAC) voted to change the recommendation of isolation for persons with mumps from 9 days to 5 days based on this 2008 MMWR report.
Edits and Changes [February 2017]
Changes to this guideline:
- Minor content edits were made to improve clarity.
- Spelling and punctuation were corrected.
- Tables were formatted to be easily read by screen readers in compliance with the Americans with Disabilities Act (ADA).
- Numbered or itemized items in paragraph format were converted to vertical numbered or bulleted lists in compliance with ADA.
- Link text was changed to comply with ADA.
- Live links were updated; dead links are indicated.
Ebola Virus Disease [August 2014]
Update: The recommendations in this guideline for Ebola has been superseded by these CDC documents:
- Infection Prevention and Control Recommendations for Hospitalized Patients with Known or Suspected Ebola Virus Disease in U.S. Hospitals
- Interim Guidance for Environmental Infection Control in Hospitals for Ebola Virus
See CDC's Ebola Virus Disease website for current information on how Ebola virus is transmitted.
Ebola Virus Disease for Healthcare Workers [2014]
Update: Recommendations for healthcare workers can be found at Ebola for Clinicians.