What to know
CDC has guidance available on variant influenza viruses for clinicians, laboratorians, and epidemiologists. Links to these guidance documents are included below.
Guidance and recommendations
Testing, treatment, and caring for patients with suspected or confirmed variant flu infection.
Specimen collection
For health departments conducting investigations of infections with influenza A variant viruses
Infection prevention and control
Novel influenza A guidance for infection prevention and control in healthcare settings.
Prevention Strategies for Seasonal Influenza in Healthcare Settings - CDC
Case definitions
For health departments conducting investigations of infections with influenza A variant viruses