Radamel Falcao is at least two weeks away from being healthy enough to return after suffering a "new injury."

Falcao has missed Manchester United's last three Premier League matches with a calf problem and has not yet played a full 90 minutes for the club.

"It takes time," Louis van Gaal said. "Next week he [Falcao] shall train, probably with our selection and then he needs two weeks and maybe a game."