Persistently infected animals clearly take pride of place in the epidemiological processes. Throughout their lives they permanently shed virus in large quantities via secretions and excrements...
Nationwide BVD eradication, in principle, pursues diverse strategies. However, the PI animal always has pride of place due to its overwhelming significance in the spread of the disease. The choice of strategy depends, inter alia, on the population density and seroprevalence in the country concerned...
Sweden has pursued a systematic eradication strategy of Bovine Viral diarrhoea at a national level since 1993, with the declared goal of eradicating BVDV...
Epidemiology 