Since its incursion to Asia and the Pacific region, African swine fever (ASF) has shown impacts on food security and economics as the virus is expanding towards more areas and countries in the region. As the disease continues to expand into new territories, preparedness and control activities need to be constantly adjusted to adapt to situations observed in the field that may be contrary to what was expected based on international standards or experiences from other parts of the world.

This surveillance guideline provides guidance for government officials in defining surveillance objectives, establishing ASF-related case definitions and reporting criteria, providing examples of potential ASF surveillance methods, identifying various crucial factors in consideration of a surveillance system, and evaluating a surveillance system.