Echinococcus granulosus

Ehrlichia canis

Encephalitozoon cuniculi

Enterocytozoon bieneusi

Enterocytozoon hepatopenaei

Enterohemorrhagic Escherichia coli

Enteroinvasive Escherichia coli

Enteropathogenic Escherichia coli

Enterotoxigenic Escherichia coli

Epizootic Haematopoietic Necrosis Virus

Epizootic Hemorrhagic Disease Virus

Equid Herpesvirus 1