<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.akiongea jijini hapa ijumaa mkurugenzi mkuu wa shirika hilo tedros adhanom ghebreyesus alisema mlipuko wa homa ya spanish flue ya 1918 ilimalizwa baada ya miaka miwili.  <response>: speaking in geneva on friday, tedros adhanom ghebreyesus said the spanish flu of 1918 took two years to overcome. 