How did the ASF virus spread in the Philippines?

When the African Swine Fever (ASF) virus hit Asia, the infections took the countries like a whirlwind. That it was impactful and chaotic that much was clear. A few years down the road, it is possible to reconstruct what happened, figure out patterns and learn from them. In 2 papers, researchers at the University of Minnesota in the US did so for the ASF spread in the Philippines. ASF was first detected in the Philippines in 2019, following earlier detections in Siberian Russia, mainland China