
The first two cases of a diphtheria-like illness transmitted between humans and their pets were reported in Utah and Colorado in the USA. The respiratory illnesses occurred in 2022 and 2023 and involved the bacterium Corynebacterium ulcerans, which is closely related to the diphtheria pathogen. A recent Japanese study found that C. ulcerans "in the...
Diphtheria-like germs can be transmitted between humans and pets
