Guidance

Neuraminidase inhibitor resistance testing: finding resistant strains of influenza B and A(H3N2)

This publication was withdrawn on

This testing advice is no longer current. See Influenza: antiviral susceptibility surveillance and diagnosis of resistance, or the seasonal influenza collection for current testing guidance.

Summary of resistant strain tests available from PHE public health labs, and at the specialist respiratory virus unit at PHE Colindale.