delivered the opinion of the Court.
In this appeal, we consider whether an employee’s motion for judgment against her former employer and fellow employees claiming intentional infliction of emotional distress is barred by the Workers’ Compensation Act, Code §§ 65.2-100 through -1310 (the Act).
Helene Lichtman began her employment with United Services Automobile Association (USAA) in 1989. In her motion for judgment she alleged that beginning in 1991 she became the victim of systematic harassment by her fellow employees, Judi Knouf and Jack Wolcott. The harassment included undocumented complaints, damaging criticisms, defamatory remarks about her character, and constant threats of job termination. As a result of this treatment, Lichtman allegedly suffered serious psychological and psychiatric injury. Lichtman’s attempts to use the company’s grievance procedure to stop the offending behavior were unsuccessful. After approximately one year of the alleged harassment, Lichtman terminated her employment and subsequently filed this law suit.
In an order entered July 14, 1993, the trial court dismissed the motion for judgment, holding that the exclusivity provision of the Act, Code § 65.2-307, barred the suit. Lichtman appealed that decision, arguing that her injury was not an “injury by accident” as required by the Act because the injury was gradually incurred and was not the result of an identifiable incident causing a mechanical or structural change in the body. We agree, and will reverse and remand the case.
The trial court’s decision was based solely on Haddon v. Metropolitan Life Ins. Co., 239 Va. 397, 389 S.E.2d 712 (1990). In that case, this Court was presented with the question whether an intentional act could be an injury by accident for purposes of the Act. In answering that question in the affirmative, we concluded that an employee’s action claiming intentional infliction of emotional distress was barred by the exclusivity provision of the Act. Since the decision in Haddon, however, this Court has addressed the issue of “injury by accident” in two cases, both of which were decided after the trial court’s decision in this case.
In November 1993, we reaffirmed our prior holdings that an injury by accident for purposes of the Act is restricted to those injuries resulting from an identifiable incident that results in a *140sudden mechanical or structural change in the body. In Merillat Indus., Inc. v. Parks, 246 Va. 429, 433, 436 S.E.2d 600, 607 (1993), we rejected a claim for compensation based on an injury to a rotator cuff muscle because the injury was the result of cumulative repetitive action and, therefore, was not an “injury by accident.” In January of this year, we held that emotional distress alleged by a plaintiff to have been caused by her employer was an injury gradually incurred as the result of repetitive trauma and, therefore, was not an “injury by accident” within the scope of the Act. Middlekauff v. Allstate Ins. Co., 247 Va. 150, 154, 439 S.E.2d 394, 397 (1994).
In both Merillat and Middlekauff, we reaffirmed the longstanding rule that an “injury by accident” for purposes of the Act does not include a gradually incurred injury. As conceded by the appellee here, we would have to expand this definition of “injury by accident” to encompass the extended period of injury alleged in this case. We declined to expand that definition in Merillat and Middlekauff, and decline to expand it in this case. We overrule Haddon to the extent that it placed gradually incurred injuries within the definition of “injury by accident.”
Like the plaintiff in Middlekauff, Lichtman alleges that she suffered a gradually incurred injury which was the result of repeated instances of harassment occurring over a period of months. As we held in Middlekauff, these allegations “do not allege an injury that can be construed as resulting from an obvious sudden mechanical or structural change in her body,” 247 Va. at 153, 439 S.E.2d at 396, and, therefore, Lichtman has not alleged an injury within the purview of the Act. Accordingly, we will reverse the judgment of the trial court and remand the case for further proceedings.
Reversed and remanded.