The Wallabies have named a University student in their squad to face the All Blacks in the first Bledisloe Cup Test on Saturday night.
Giving an injection that protects against multiple diseases will not overwhelm a child's immune system, as vaccines contain just a few antigens compared to what babies meet every day, says Kristine Macartney.
Risk of exposure to the deadly Hendra virus carried by fruit bats is rising due to human intrusion into their habitats, human proximity to woodlands and vegetation loss.