Ovine pulmonary adenocarcinoma (OPA) is a contagious lung cancer of sheep, first reported in South Africa in 1832 as "jaagsiekte" (chasing sickness). Starting i

In recent years, a number of chronic diseases have been linked, in some cases definitively, to an infectious etiology: peptic ulcer disease with Helicobacter py

Retroviruses have been of great importance to biomedical science for the past half century. Initially, studies on oncogenic animal retroviruses provided importa

Hyaluronan biology is being recognized as an important regulator of cancer progression. Paradoxically, both hyaluronan (HA) and hyaluronidases, the enzymes that

The Geographical Distribution of Animal Viral Diseases attempts to shed some light on the global distribution of 110 different viral diseases, mainly of livesto