NRL players in Queensland will need medical reasons for not getting the flu vaccine if they want to compete.
The South Sydney Rabbitohs announced James Roberts was getting treatment to assist with his health.
After Victoria moved to ease restrictions, Melbourne Storm will return to the capital ahead of the NRL season restarting.
Whether New South Wales-based players must get a flu vaccine is a decision for the NRL.
As debate continues around the flu vaccination, New South Wales health minister Brad Hazzard had a message for the NRL.
Nathan Peats will get a flu vaccination after the Gold Coast Titans hooker was stood down.
Three Queensland-based NRL players have been stood down after refusing to get a flu vaccination.
The NRL's reported changes around flu vaccinations have been criticised by Queensland health minister Steven Miles.
Bryce Cartwright fired back at anti-vaccination claims, having refused the flu injection.
Adam Reynolds launched an impassioned defence of team-mate Latrell Mitchell amid media scrutiny.