Toure was exempted from their inaugural training session on Sunday, while the team’s medical staff said all hands were on deck to restore the player’s health.
The Elephants trained on Sunday afternoon at the Mohammed Bin Zayed Stadium under the direction of coach Sabri Lamouchi.
Team captain Didier Drogba was excused from the session after he suffered a light headache, which Lamouchi said played down on when the group returned to their Rocco Forte Hotel at the end of the session.
Ivory Coast will play a friendly match against Egypt on January 14 before flying to South Africa two days later for the showpiece set for kick off on January 19.