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Tuesday, February 14, 2012

ECDC : Influenza activity increases in Europe

Via ECDC :

" The latest Weekly influenza surveillance overview highlights that influenza activity continued to increase in week 5/2012, though with significant variation across Europe and no clear geographic progression. The dominant virus remain the subtype A(H3N2), but A(H1) and B viruses are also present.

Medium influenza activity was reported by 11 countries and increasing trends in clinical activity by 18 countries. The pre-epidemic threshold was significantly exceeded in Bulgaria, Cyprus, Iceland, Italy and Spain and marginally exceeded in Belgium, Greece, Norway, Romania and Sweden.

Of 600 sentinel specimens testing positive for influenza virus, 95.7% were type A and 4.3% were type B. Of the 782 sentinel and non sentinel influenza A viruses subtyped, 97.7% were A(H3) and 2.3 % were A(H1)pdm09.

Since the start of the season, 394 SARI cases have been reported from six countries. Of the cases with confirmed influenza, 80% were associated with A(H3), 13% with A(H1)pdm09 and 7% with B viruses.

To date, no resistance to neuraminidase inhibitors (oseltamivir and zanamivir) has been reported this season."

You can get the full report here (in PDF format).

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