A bout of tonsillitis will keep Queensland centre Dane Gagai in insolation just four days out from the State of Origin opener.
The South Sydney star was unable to train on Sunday but is expected to travel with the side to Townsville on Monday and play on Wednesday.
The Maroons also confirmed the 30-year-old had tested negative test for COVID-19.
Gagai was hit by illness and confined ahead of game two of the 2019 series; the common cold swept through the Maroons camp back in 2012 and Darius Boyd was implicated in a 2009 Origin swine flu scare.
Gagai's training absence follows the fitness clouds over five-eighth Cameron Munster (foot) and utility back AJ Brimson (knee), who both appeared untroubled by their ailments at training on Sunday.
"It happens; in the game we play we get injuries and when you play a game in winter you get crook every now and then too," fellow centre Kurt Capewell said on Sunday.
"Gags is just a bit crook and they're sorting him out.
Gagai's Rabbitohs teammate Jaydn Su'A could be shifted from the back row to centre if he is unable to shake the illness and play on Wednesday.
Su'A joked that the latest sickness concern was an attempt by Gagai to build on an Origin legacy that already features 11 tries in 16 games.
"I've spent some time in the centres (in Origin camp), but he'll be fine," Su'A said.
"I called him this morning after not seeing him on Saturday when we had a day off ... (I told him to) just stay away from me though."
"I think he just wants a story; everyone knows what he brings to the Origin arena so this will just add more to the story."
The team completed their final session at their Gold Coast base before heading north on Monday.
Munster and halfback Daly Cherry-Evans spent the early parts of the session fine-tuning their attacking cross-field kicks to wingers Kyle Feldt and Xavier Coates.
Rookie Feldt and Coates enjoy a 10cm and 12cm height advantage over rival wingers Brian To'o and Josh Addo-Carr, who are both 182cm tall, respectively.