<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.canada, russia na nchi nyingine pia wanashughulika kutengeneza chanjo, lakini wataalam wanasema hata kama itapatikana inayofaa hivi karibuni, utengenezaji wa chanjo hiyo na usambazaji wake unaweza kuchukua mwaka mmoja au zaidi.  <response>: canada, russia and other countries to help finish a giant a vaccine, but experts say that even if a successful one was developed soon, manufacturing and distribution would take a long time. 