Increased incidences of diseases spread by livestock and wildlife have become major public health problems for the developing world. Has their natural regulation been affected by changes in biodiversity, climate and land use? And if so, what are there impacts on people's health and well-being? Four diseases - Lassa fever in Sierra Leone, henipaviruses in Ghana, Rift Valley Fever in Kenya and trypanosomiasis in Zambia and Zimbabwe - are being studied, with each affected in different ways by ecosystem change, and with different dependencies...
