Reivindicaciones

1. Bacteriophage deposited at the German Collection of Microorganisms and Cell Cultures GmbH (DSMZ) with deposit number DSM 34221, or a bacteriophage comprising a nucleic acid having at least 95% of identity with the nucleic acid of the bacteriophage DSM 34221. 2. Bacteriophage, according to claim 1, with deposit number at the German Collection of Microorganisms and Cell Cultures GmbH (DSMZ) DSM 34221. 3. Bacteriophage, according to any of the previous claims, for use as a medicament. 4. Bacteriophage for use, according to claim 3, in the prevention or treatment of a bacterial infection caused by M. abscessus. 5. Pharmaceutical composition comprising the bacteriophage of any of the claims 1 or 2 and, optionally, pharmaceutically acceptable excipients or carriers. 6. Pharmaceutical composition of claim 5 for use as a medicament. 7. Pharmaceutical composition for use, according to claim 6, in the prevention or treatment of a bacterial infection caused by M. abscessus. 8. A method of detecting the presence of M. abscessus in an in vitro sample, comprising contacting said sample with the bacteriophages according to any of the claims 1 or 2, and determining whether said bacteriophages kill bacteria in said sample.