International travel other than NZ maybe FiJi will not even happen in 2022.
There are side effects with any vaccine and risk accosiated taking them the majority are small proportionate to amount that is administered in a population. AZ like all C-19 vaccines are just under a bigger microscope than others and it seems like C-19 cases the general population and governments in Australia only a zero risk is the only acceptance.
Risk comes with everything we just have to accept it or wrap yourself in Cotten and stay home, actually don’t as even your house may fall down.