Okla. Stat. tit. 22, § 22-855: Sickness or death of juror - New juror sworn

If, before the conclusion of a trial, a juror becomes sick, so

as to be unable to perform his duty, the court may order him to be

discharged. In that case or in the event of the death of a juror a

new juror may be sworn, and the trial begin anew, or the jury may be

discharged, and a new jury then or afterwards impaneled.