Isolated bacteriophages having genomes comprising the nucleic acid sequences as set forth in SEQ ID NOs: 1 and 2, or variants thereof, and compositions comprising the bacteriophages in a ratio ranging from 1:10 to 10:1, respectively. Further provided are uses of the compositions in treating or preventing an infection inflicted by a bacteria (e.g., Enterococcous faecalis and/or Enterococcous faecium). As a non-limiting example, the composition may be used in treating or preventing a root canal infection.
