Content on this page was developed during the 2009-2010 H1N1 pandemic and has not been updated.
- The H1N1 virus that caused that pandemic is now a regular human flu virus and continues to circulate seasonally worldwide.
- The English language content on this website is being archived for historic and reference purposes only.
- For current, updated information on seasonal flu, including information about H1N1, see the CDC Seasonal Flu website.
H1N1 Flu Clinical and Public Health Guidance
On this Page
- Vaccination Guidance for State, Local, Tribal & Territorial Health Officials
- Epidemiology and Surveillance
- Clinician Guidance
- Clinician Guidance for Specific Audiences
- Infection Control
- Laboratory Testing
- Guidance for Patients
- Guidance for Pregnant and Breastfeeding Women
- Business and Employer Guidance
- Emergency Personnel Guidance
- Guidance for Community Settings
- Guidance for Schools, Colleges and Universities
- Travel and Travel Industry Guidance
Vaccination Guidance for State, Local, Tribal and Territorial Health Officials
- Information for Vaccine Planners Nov 20
- Template Letter for Healthcare Providers about the Vaccine Adverse Event Reporting System (VAERS) Oct 12
Epidemiology and Surveillance
- Interim Recommendations for Clinical Use of Influenza Diagnostic Tests During the 2009-10 Influenza Season Sep 29
- Interim Guidance for Influenza Surveillance: Prioritizing RT-PCR Testing in Laboratories Oct 9
- Interim Guidance for Reporting Influenza-Associated Hospitalizations and Deaths Sep 8
Clinician Guidance
- Interim Recommendations for Clinical Use of Influenza Diagnostic Tests During the 2009-10 Influenza Season Sep 29
- Antiviral Recommendations Dec 7
- Intravenous Peramivir Oct 26
- Pediatric Supplement Recommendations Dec 2
- Updated Interim Recommendations for Obstetric Health Care Providers Related to Use of Antiviral Medications in the Treatment and Prevention of Influenza for the 2009-2010 Season Oct 23
- Interim Guidance for the Detection of Novel Influenza A Virus Using Rapid Influenza Diagnostic Tests Aug 10
- 10 Actions Steps for Medical Offices and Outpatient Facilities Jul 14
- 2009-2010 Influenza Season Triage Algorithm for Adults (>18 Years) With Influenza-Like Illness Oct 27
- 2009-2010 Influenza Season Triage Algorithm for Children (≤18 years) With Influenza-Like Illness Oct 16
- Identifying and Caring For Patients May 4
- Emergency Use Authorization (EUA): Medical Products Dec 4
- Clinical Data Collection Forms and Templates May 12
- Interim guidance for use of 23-valent pneumococcal polysaccharide vaccine during novel influenza A (H1N1) outbreak Oct 26
- 2009 H1N1 Flu and Seasonal Flu Information for Rheumatology Health Professionals Oct 15
Clinician Guidance for Specific Audiences
- Abbreviated Pandemic Influenza Plan Template for Primary Care Provider Offices: Guidance from Stakeholders Feb 9
- Updated Interim Recommendations for Obstetric Health Care Providers Related to Use of Antiviral Medications in the Treatment and Prevention of Influenza for the 2009-2010 Season Oct 23
- Considerations Regarding Novel H1N1 Flu Virus in Obstetric Settings Nov 10
- Patients With Cardiovascular Disease Nov 12
- HIV-Infected Adults and Adolescents Oct 21
- Pregnant Women Nov 6
- Infants and Young Children Dec 9
- Patients with Asthma Oct 2
- Patients with Arthritis Oct 15
Infection Control
- Interim Guidance on Infection Control Measures for 2009 H1N1 Influenza in Healthcare Settings, Including Protection of Healthcare Personnel Oct 14
- Questions and Answers about Updating Guidance on Infection Control Measures for Influenza in Healthcare Settings May 3
- Interim Infection Control Guidance on 2009 H1N1 Influenza for Personnel at Blood and Plasma Collection Facilities Nov 12
- Q&A: Respiratory Protection For Preventing 2009 H1N1 Influenza Among Healthcare Personnel Dec 9
- Considerations Regarding Novel H1N1 Flu Virus in Obstetric Settings Nov 10
- CDC Guidance for Emergency Shelters for the 2009-2010 Flu Season Nov 24
- Post-mortem Care and Safe Autopsy Procedures for Novel H1N1 Influenza May 28
- Interim Guidance for Correctional and Detention Facilities on Novel Influenza A (H1N1) Virus May 24
- Interim Biosafety Guidance for All Individuals handling Clinical Specimens or Isolates containing 2009-H1N1 Influenza A Virus (Novel H1N1), including Vaccine Strains Aug 15
- Infection Control in Outpatient Hemodialysis Centers May 8
Laboratory Testing
- Interim Recommendations for Clinical Use of Influenza Diagnostic Tests During the 2009-10 Influenza Season Sep 29
- Interim Guidance for the Detection of Novel Influenza A Virus Using Rapid Influenza Diagnostic Tests Aug 10
- Specimen Collection, Processing, and Testing for Suspected Infection May 13
- Submission of Tissue Specimens for Pathologic Evaluation May 23
- Protocol for Antiviral Susceptibility Testing by Pyrosequencing May 13
- Sequencing Primers and Protocol May 12
- CDC Protocol of Realtime RTPCR for Swine Influenza A(H1N1)
- DSAT Guidance on CDC Import Permits for Swine-Originated Flu May 26
Guidance for Patients
- Patients With Cardiovascular Disease Nov 12
- Caring for a Sick Person in Your Home Dec 5
- Home Care Guidance: Physician Directions to Patient/Parent Sep 24
Guidance for Pregnant and Breastfeeding Women
- What Should Pregnant Women Know About 2009 H1N1 Flu (Swine Flu)? Oct 19
- Feeding your Baby: What Parents Should Know Oct 23
- Info for Pregnant Women in Education, Child Care, and Health Care Nov 9
Business and Employer Guidance
- CDC Guidance for Businesses and Employers To Plan and Respond to the 2009–2010 Influenza Season Oct 21
- Planning for 2009 H1N1 Influenza: A Preparedness Guide for Small Business Sep 16
Emergency Personnel Guidance
- Managing Calls and Call Centers during a Large-Scale Influenza Outbreak: Implementation Tool Jul 30
- EMS and 9-1-1 Personnel: Managing Confirmed or Suspected Infections Aug 5
Guidance for Community Settings
- Guidance from Pediatric Stakeholders: A Coordinated Approach to Communicating Pediatric-related Information on Pandemic Influenza at the Community Level Jan. 29, 2010
- CDC Recommendations for the Amount of Time Persons with Influenza-Like Illness Should be Away from Others Oct 23
- Public Gatherings Sep 23
- Facemask and Respirator Use Sep 24
Guidance for Child Care Programs, Schools, Colleges and Universities
- Interim CDC Guidance on Day and Residential Camps Jun 14
- Guidance on Helping Child Care & Early Childhood Programs Respond to Flu during 2009–2010 Flu Season Nov 3
- Guidance for State & Local Health Officials & School Administrators for 2009-2010 School Year Oct 21
- Guidance for Institutions of Higher Education for 2009-2010 Academic Year Oct 21
Travel & Travel Industry Guidance
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