This year seems the worst we've ever seen in our parts of Eastern Australia - we've also had some of the worst ever floods thanks to La Nina (and climate change

This year seems the worst we've ever seen in our parts of Eastern Australia - we've also had some of the worst ever floods thanks to La Nina (and climate change), so that's more water than ever. And mould being a living thing keeps spreading when not managed, so it's lingering long after the floodwaters receded.