"…an emerging zoonosis is 'a zoonosis that is newly recognized or newly evolved, or that has occurred previously but shows an increase in incidence or expansion in geographical, host or vector range'. Emerging zoonotic diseases have potentially serious human health and economic impacts and their current upward trends are likely to continue." Examples include: avian influenza, Bovine Spongiform Encephalitis (BSE) and the Nipah virus (23) .