[Diphtheria - a 21st century zoonosis?].

Besides Corynebacterium diphtheriae, C. ulcerans can cause diphtheria in humans, and its incidence has been increasing alarmingly in recent years. The source and reservoir of these infections are a wide range of domestic and wild animals, in which C.

Case report: Carp edema virus infection in overwintering fish.

Carp Edema Virus (CEV) has emerged as a viral threat to the sustainability of European pond fisheries, with water temperature and stress playing a crucial role in disease outbreaks. Here, we report on a natural CEV infection in overwintering common carp (;  = 1,160) broodstock that began to manifest clinically at an unusually low water temperature. In the initial outbreak phase, young broodstock fish exhibited abnormal activity and shoaling at the pond edge.