The feeling once you are used to the Australian bush is its a pretty safe place. All the toxic creatures are either rarely seen or easily evaded. Nothing here to prey on you on land like the Americas and Africa. We dont have the parasites or diseases of Africa nor rabies like America does. As long as you dont go swimming with crocs, the worst thing you might run into is a wild boar and they usually startle and head the other way. Biggest risk for people especially tourists is dehydration or getting lost and admittedly that does happen a bit