OFFLU is the joint OIE-FAO global network of expertise on animal influenzas. OFFLU aims to reduce the negative impacts of animal influenza viruses by promoting effective collaboration between animal health experts and the human health sector. OFFLU analyzes and shares information and biological material to identify and reduce health threats early, and shares information about animal influenza viruses with the World Health Organization (WHO) to assist with the early preparation of human vaccines. It was established in 2005, initially to support the global effort to control H5N1 highly pathogenic avian influenza.