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: Diagnosis and Lab Testing
General Information
Information for Health Care Professionals
- Collection of Nasopharyngeal Specimens with the Swab Technique (video)
- Recommendations for Clinical Use of Influenza Diagnostic Tests Sep 29
- Influenza Surveillance: Prioritizing RT-PCR Testing in Laboratories Oct 9
- 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) Oct 6
- DSAT Guidance on CDC Import Permits for Swine-Originated Flu May 26
- Biosafety Guidance for All Individuals handling Clinical Specimens or Isolates containing 2009-H1N1 Influenza A Virus (Novel H1N1), including Vaccine Strains Aug 15
- Emergency Use Authorization (EUA) of Medical Products and Devices Dec 24
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