For the first time, researchers have identified two strains of pathogenic bacteria resistant to the last-resort antibiotic tigecycline in a dog. The pet had not been treated with the antibiotic, so it is likely the bacteria became resistant in a hospital environment and later colonized the dog.

Read more about the report on tigecycline-resistant bacteria in a dog in Pharmacy Times, or read the original scientific publication in Antimicrobial Agents and Chemotherapy.

Learn more about tetracycline antibiotics in the MSD Veterinary Manual.