The 22-year-old, who was called up to England manager Gareth Southgate's last squad for the World Cup qualifiers against Malta and Slovakia, missed Watford's third consecutive away league victory at Swansea City on Saturday.
Chalobah moved to Watford from Chelsea at the start of the season on a five-year contract.
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(Reporting by Hardik Vyas in Bengaluru; Editing by Toby Davis)
