Two panels of antiviral susceptible and resistant influenza viruses are available from the International Reagent Resource (IRR), CDC, Atlanta, USA, and can be ordered after registration and approval. https://www.internationalreagentresource.org/
The CDC Neuraminidase Inhibitor Susceptibility Reference Virus Panel (version 3.0), IRR catalogue No. FR-1755, contains the following 8 viruses:
The CDC Baloxavir Susceptibility Reference Virus Panel (version 1.1), IRR catalogue No. FR-1678, contains the following 5 viruses:
Updated 17 November 2020