The Infectious pancreatic necrosis virus (IPNV) is one of the most extensively studied and widely distributed viruses infecting marine and freshwater fishes. The geographical distribution; economic impacts of IPNV; diagnosis of the infection; pathology; pathophysiology; and the protective and...

The geographical distribution; economic impacts; diagnosis of the infection; pathology; pathophysiology; and the protective and control strategies against Oncorhynchus masou virus and Cyprinid herpesvirus are discussed.

The causative agent of infectious salmon anaemia is Infectious salmon anaemia virus (ISAV), the only member of the genus Isavirus, family Orthomyxoviridae. Infectious salmon anaemia is a significant infectious viral disease of farmed Atlantic salmon (Salmo salar). This article discusses the...

Channel catfish viral disease (CCVD) is an acute viraemia that occurs primarily among young (0-4 month old) channel catfish (Ictalurus punctatus) in aquaculture. The prevalence and transmission; factors that promote CCVD outbreaks; diagnosis; pathology; pathophysiology; protective and control...

This article discusses the description of Largemouth bass viral disease (LMBV); mode of transmission; geographical distribution; impacts of LMBV on fish populations; diagnosis; pathology; pathophysiology; and protective and control strategies against LMBV.

Koi herpesvirus disease (KHVD) is a herpesvirus infection that induces a lethal acute viraemia that is highly contagious in common carp (Cyprinus carpio) and varieties of C. carpio such as koi carp and ghost carp. The causative agent is classified as Cyprinid herpesvirus 3 and is transmitted...

Viral encephalopathy and retinopathy (VER), also known as viral nervous necrosis (VNN) is a severe neuropathological disease caused by RNA viruses of the genus Betanodavirus (Family: Nodaviridae). This article discusses the infectious agents; geographical distribution, host range and transmission...

This chapter describes the epidemiology, prevalence, distribution, transmission, physiopathology, clinical signs, diagnosis, prevention, control strategies, legislative aspects and economic impact of alphaviruses in salmonids.

This chapter describes the epidemiology, prevalence, distribution, transmission, physiopathology, clinical signs, diagnosis, prevention, control strategies, legislative aspects, economic impact and genomics of Aeromonas salmonicida and A. hydrophila in fishes.

This chapter describes the epidemiology, prevalence, distribution, transmission, physiopathology, clinical signs, diagnosis, prevention, control strategies, legislative aspects and economic impact of Edwardsiella spp. infection in fishes.