現在很多研究者正努力研發針對禽流感的疫苗，並希望能控制這些對人類的影響

現在很多研究者正努力研發針對禽流感的疫苗，並希望能控制這些對人類的影響

結果 (英文) 1:

Many researchers are now working hard to develop vaccines against avian influenza, hoping to control these effects on humans

結果 (英文) 2:

Now many researchers are working on a vaccine against bird flu, hoping to control the effects on humans.

結果 (英文) 3:

Now many researchers are trying to develop vaccines against avian influenza, and hope to control these effects on humans