A study reports that a “priority 1” superbug on the World Health Organization’s watchlist is shifting between pets and people, with evidence suggesting transmission risk is higher between companion animals and humans than between humans and other animal groups. The findings, cited by The Independent, indicate that the genetic or epidemiological links observed for this bacterium involve repeated movement across the pet–human interface rather than being largely confined to livestock or wildlife. The study frames this pattern as a potential public-health concern because close contact between pets and their owners can increase opportunities for the bacterium to spread. It also contrasts the situation with farm animals and wildlife, where the risk of transmission to and from humans is described as lower. The reporting emphasizes that the research highlights the role of household animals in the broader circulation of antimicrobial-resistant bacteria, supporting the need for continued monitoring and investigation into how these organisms move across species.