England batsman Jonny Bairstow will miss January's five-match one-day international series in India because of family illness.
Bairstow, 23, played in the second Test victory over India but returned home early, prior to the two-match Twenty20 series between the sides.
named 2012 Young Cricketer of the Year in September,
will replace his Yorkshire team-mate in India.
Bairstow should return for the New Zealand tour later in the month.
Having made his ODI debut in 2011, Bairstow broke into the Test team in 2012 and has won five caps, impressing
against South Africa at Lord's in August,
where he scored 95 and 54 in an England defeat. He played in England's
second Test victory in Mumbai
as cover for Ian Bell, who had returned home for the birth of his first child.
Root has yet to appear in an ODI for England, the 21-year-old having made his Test and Twenty20 debuts against India this month.
The squad departs for India on 2 January.
England squad for one-day series in India:
Alastair Cook (capt), Ian Bell, Tim Bresnan, Danny Briggs, Jos Buttler, Jade Dernbach, Steven Finn, Craig Kieswetter, Stuart Meaker, Eoin Morgan, Samit Patel, Kevin Pietersen, Joe Root, James Tredwell, Chris Woakes.