translation.en: The most significant impacts of influenza viruses on humans are those arising from the influenza A strains. Seasonal influenza is a disease that annually affects Europe and the rest of the northern hemisphere during the winter season with larger or smaller epidemics.
translation.ga: Is iad na tionchair is suntasaí le víris an fhliú ar dhaoine ná na cinn a eascraíonn ó leithchineálacha an fhliú A. Is galar é an fliú séasúrach a bhfuil tionchar aige go bliantúil san Eoraip agus ar an gcuid eile den leathsféar thuaidh le linn shéasúir an gheimhridh le heipidéimí níos mó agus níos lú.