There have been sporadic detections of influenza A (H3N2), pandemic influenza A(H1N1) and influenza B during the past week. Data are not available to predict which virus type or subtype will become dominant in Europe this season.

WHO/Europe recommends that vaccination programmes immunize populations against the influenza A(H3N2), pandemic influenza A(H1N1) and influenza B viruses that WHO has recommended for inclusion in vaccines for the 2010/2011 winter season in the northern hemisphere."

Source: who.int