This book highlights the most urgent needs for an effective veterinary service that can quickly detect the emergence of several priority, unpredictable or exotic emerging diseases. The book contributes to FAO’s Strategic Objective 5 on reducing the expansion of emerging and re-emerging zoonotic diseases, including highly pathogenic avian influenza. Strengthening the capacity of the veterinary services is essential to rapidly detect their presence and presence in order to apply the appropriate measures to eradicate the root cause; The implementation of control measures of the emergency plan should be fast and efficient.