インフルエンザの指名手配ポスター

Edit this educational poster. Change the virus name to 'Influenza (Flu)'. Replace the virus image with influenza virus particles. Add sections: Where it's found — respiratory droplets, contaminated surfaces. Prevention — annual vaccination, hand washing, wearing masks. Symptoms — fever, cough, sore throat, body aches, fatigue. Keep the same educational poster layout.