Influenza Division Resources
A curated, searchable collection of CDC-cleared documents, protocols, and tools from the CDC Influenza Division. Browse by category or use the search to find resources across all documents, including full-text content from PDFs and linked pages.
Recent Resources
Flu Labs Genetic Data Portal
Secure CDC portal where State Public Health Laboratories retrieve the sequencing results for specimens they submitted...
LaboratoryInfluenza Specimen Submission Form
Form for submitting influenza specimens to the CDC Influenza Division, capturing specimen, patient, and submitter inf...
Laboratory2026-27 Influenza Season Surveillance Guidance
Surveillance guidance for the 2026-27 influenza season, covering monitoring of seasonal influenza viruses and detecti...
Epidemiology LaboratoryPreparation of DNA Libraries and Loading on the MiSeq i100
Standard operating procedure for preparing DNA sequencing libraries and loading them onto the Illumina MiSeq i100 pla...
LaboratoryPreparation of DNA Libraries and Loading on the NextSeq 1000/2000
Standard operating procedure for preparing DNA sequencing libraries and loading them onto the Illumina NextSeq 1000/2...
LaboratorySeasonal Flu Sequence References
Curated GISAID EPI_SET genetic sequence references for seasonal influenza (H3N2, H1N1pdm09, B Victoria), including Co...
Datasets