How Arctic sea ducks develop herd immunity from avian cholera

Herd immunity, when a threshold proportion of a population becomes immune to a disease-causing organism, reducing or stopping further transmission, is very much in the news. Avian cholera much less so. But there is an intersection ...

Developing test for disease-carrying `Trojan cows'

University of Adelaide researchers are developing a test to help eliminate hidden carriers of a significant disease in Australian cattle herds, commonly known as Bovine Pestivirus.