In February 2025, CDC announced a multistate outbreak investigations of salmonellosis associated with pet geckos. As of March 10, 2025, a total of 8 people infected with the outbreak strain of Salmonella Muenchen had been reported from 8 states. Illnesses started on dates ranging from December 16, 2024, to February 1, 2025. No one was hospitalized and no one died.

Of the 6 people interviewed, 5 (83%) reported contact with a gecko before getting sick. Some patients had contact with multiple types of geckos. Of 5 patients providing information about the types of geckos they had contact with, 3 reported contact with leopard geckos, 3 reported contact with crested geckos, 1 reported contact with a Malaysian cat gecko, and 1 reported contact with an African fat-tailed gecko.

WGS analysis of 8 people's samples did not predict resistance to any antibiotics.