ASF Germany: 4 routes how virus can escape fenced zones

In the past 2 weeks, several wild boar infected with ASF have been found outside the core zone in North Rhine Westphalia state. Despite fencing, the virus has managed to escape. How is that possible in practice? A hunting expert lists 4 possible routes. At the end of February 2026, an infected wild boar was found for the 1st time outside the previously fenced-off core area. That meant that the virus had emerged in Hochsauerland district, a 3rd adjacent district, apart from Olpe and Siegen-Wit