No specific precautions needed. Typhoid vaccine is not required specifically for visits to Australia. No significant risk. No special precautions for port visits or field exercises. Certain parts of the Northern Territory and Queensland have limited vector borne disease risk.
Mosquito vector is a day biter.
Overall risk to travelers is low, but use of repellent recommended if traveling in NE Queensland or Northern Territories. Self limited viral disease transmitted by mosquitos. Symptoms are arthralgia, rash and fever. Overall risk to visitors is low, though personal protective measures are warranted if mosquito bites are occurring. Similar to Japanese B Encephalitis.