Australia was setup for this kind of incident either way with strict quarantine rules for decades on natural goods & animals brought into the country. The local

Australia was setup for this kind of incident either way with strict quarantine rules for decades on natural goods & animals brought into the country. The local wildlife had suffered from invasive species. It was not a hard act to shut it all down. The structure of the schengen area and the differing population densities is an entirely different beast, I agree.