The Selecao star is currently battling a grade-two calf problem sustained while playing for Santos on May 17, with the medical department and coaching staff agreeing that his long-term fitness must take priority over short-term risk.
As a result, the focus has shifted toward ensuring he is available for the knockout rounds rather than rushing him back early, according to ESPN
Neymar has yet to train with Carlo Ancelotti’s squad since arriving at Granja Comary on May 27, instead following an individual rehabilitation programme aimed at avoiding any setback.
While he has increased his gym workload and is expected to begin light on-pitch work this week, he is not yet ready for full team training.
Brazil are targeting a cautious return timeline that could rule him out of matches against Haiti and potentially Scotland.