Weekly influenza surveillance overview, 7 - 13 Nov 2011 (Week 45)

Surveillance report

During week 45/2011, low influenza activity was notified by all 28 reporting countries.
Of 390 sentinel specimens tested, six were positive for influenza virus (1.5%).
Since week 40/2011, five SARI cases have been reported, one of which was a confirmed influenza case.
Six weeks after the beginning of the surveillance season for influenza in the Northern Hemisphere, there has been no evidence of sustained transmission in EU/EAA countries. As of week 45, the winter epidemics of influenza have not yet started in Europe.