Guidance

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

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

This publication was withdrawn on

This testing advice is no longer current.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.

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Public Health England (PHE) public health laboratories within the specialist microbiology network can detect the common major oseltamivir resistance mutation (H275Y) of A(H1N1)pdm09 using locally available assays.

Published 26 March 2012