A pharmaceutical composition comprising a combination of two or more of ― the bacteriophage strain P1 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4694 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P1; ― the bacteriophage strain P2 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4695 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P2; ― the bacteriophage strain P3 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4696 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P3; ― the bacteriophage strain P4 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4697 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P4; ― the bacteriophage strain P5 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4698 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P5; ― the bacteriophage strain P6 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4699 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P6; ― the bacteriophage strain P8 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM 1-4700 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P8; ― the bacteriophage strain CLB_P2 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4675 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain CLB_P2. ― the bacteriophage strain P1 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4694 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P1; ― the bacteriophage strain P2 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4695 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P2; ― the bacteriophage strain P3 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4696 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P3; ― the bacteriophage strain P4 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4697 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P4; ― the bacteriophage strain P5 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4698 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P5; ― the bacteriophage strain P6 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4699 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P6; ― the bacteriophage strain P8 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM 1-4700 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain P8; ― the bacteriophage strain CLB_P2 deposited with the French National Collection of Microorganisms at the Institut Pasteur under Accession Number CNCM I-4675 or a variant thereof, wherein the variant has the same lytic activity and the same phenotypic characteristics as said bacteriophage strain CLB_P2.