Vardy is therefore set to miss a double-header of games away to Tottenham Hotspur, one in the FA Cup third round and one in the Premier League, while he also risks missing the visit of Aston Villa on January 16.
Ranieri cautious over Leicester's title chances
The England striker has scored 15 goals in the Premier League this season to help Leicester to second place in the table.
He played in Saturday's 0-0 draw with Bournemouth that saw the Foxes slip two points behind Premier League leaders Arsenal.
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