The dingos attacked a nine-year-old boy and his mother on Thursday.
A nine-year-old French boy has been bitten on the face,arms and legs and his mother bitten on the leg as the panicking tourists tried to flee a pack of dingoes.
It comes as the victim's father says his son was simply"in the wrong place at the wrong time".
The child ran up a sand dune to find a pack of dingoes on Fraser Island on Saturday afternoon.
Man's disappearance sparked an air and sea search involving at least eight helicopters,several planes,two water police vessels,two fishing vessels and a Coast Guard vessel.
The girl,under the age of 10,was flown to Hervey Bay Hospital by helicopter after diving into shallow water.
At least eight people have been airlifted off Fraser Island in the past three weeks.
Two adults and two children are being treated for suspected irukandji stings they suffered off Fraser Island.
A rescue helicopter has flown to Fraser Island three times this week,to aid patients with suspected Irukandji jellyfish stings.
Prince Harry has spoken about the importance of protecting World Heritage sites,reminding onlookers of his father Prince Charles,who was in Queensland months earlier.
Meghan has pulled out of the day's festivities set to take place on Fraser Island.