Influenza Technical links Fact sheetsInfluenza (avian and other zoonotic)Influenza (seasonal)How can I avoid getting the flu?How influenza preparedness helps fight other infectious diseasesGuidelines and manualsSurveillance and laboratory WHO Global Epidemiological Surveillance Standards for InfluenzaManual for the laboratory diagnosis and virological surveillance of influenzaBurden of influenza diseaseInfluenza severity assessmentOutbreak investigation Protocol to investigate non-seasonal influenza and other emerging acute respiratory diseasesAvian and other zoonotic influenzaSummary of Key Information Practical to Countries Experiencing Outbreaks of A(H5N1) and Other Subtypes of Avian InfluenzaPublic health measures Non-pharmaceutical public health measures for mitigating the risk and impact of epidemic and pandemic influenzaPandemic influenza Pandemic Influenza Risk Management (updated 2017)A checklist for pandemic influenza risk and impact managementEssential steps for developing or updating a national pandemic influenza preparedness planA practical guide for developing and conducting simulation exercise to test and validate pandemic influenza preparedness plansInfluenza vaccinesVaccine virusesVaccine useVaccine in tropicsHow to implement seasonal influenza vaccination of health workersDatabasesFluNetInfluenza Research DatabaseFluIDNational Influenza CentresWHO Collaborating Centres for influenza and Essential Regulatory LaboratoriesWHO teams Global Influenza ProgrammeSeasonal influenza updatesMonthly risk assessments on avian and other zoonotic influenza -