Maria D. Van KerkhoveAnthony W. MountsSabine MallKatelijn VandemaeleMary E. ChamberlandThaís dos SantosJulia FitznerMarc‐Alain WiddowsonJennifer MichaloveJoseph Bresee2026-03-222026-03-22201110.1111/j.1750-2659.2011.00249.xhttps://doi.org/10.1111/j.1750-2659.2011.00249.xhttps://andeanlibrary.org/handle/123456789/85664Citaciones: 32The difficulty experienced in tracking the progress of the pandemic globally, estimating its severity early on, and comparing information across countries argues for improved routine surveillance and standardization of investigative approaches and data reporting methods.enPandemicSeasonal influenzaTransmission (telecommunications)MedicineDemographySouthern HemispherePopulationInfluenza A virusGeographyEnvironmental healthreview