In week 4, the rate of GP consultations for ILI remained below the baseline threshold for normal
However, influenza laboratory detections are at moderate activity levels in secondary care and
moderate activity levels in general practices. Influenza A(H1N1) is the dominant influenza strain
thus far this season and is affecting a younger age group than observed last season which had
been dominated by influenza A(H3N2).
A Scottish addendum to the Public Health England guidance on use of antiviral agents for the
treatment and prophylaxis of seasonal influenza has been published on the HPS website.
An increase in community circulation of influenza prompted the issue of a CMO letter in week 2
advising that GPs may prescribe antivirals.