OPINION

Appellant Carol Winter appeals pro se the District Court’s grant of Cycam/MedSource’s (MedSouree) motion for summary judgment on her complaint alleging discrimination under the Americans with Disabilities Act (ADA), 42 U.S.C. §§ 12112, et. seq., the Age Discrimination in Employment Act (ADEA), 29 U.S.C. §§ 621, et. seq., and Title VII, 42 U.S.C. §§ 2000e to 2000e-17 (sex discrimination). We will affirm.

The parties are familiar with the facts, thus, we will only briefly summarize them here. MedSouree hired Winter as a quality control visual inspector in August 2000. She initially received positive employment evaluations, but beginning in August 2002, Winter’s attendance dropped and the quality of her work deteriorated. In early 2003, MedSouree confronted Winter about her poor attendance and performance. She signed a document acknowledging the warning, but never told her managers that she was suffering from a disability. Her performance did not improve, leading to her termination on February 27, 2003.

Winter filed a formal charge with the Equal Employment Opportunity Commission (EEOC) alleging disability and age discrimination. After receiving a right to sue letter, Winter filed the current action in District Court. She alleges that coworkers subjected her to “intolerable” conversations regarding killing animals (Winter is a vegetarian), and that they placed poison in the air conditioning system and her coffee. She also makes general sex discrimination claims based on the lack of other women in the company and a coworker’s comment comparing her to Linda Tripp when she reported the conversations about killing animals to her supervisors. The District Court concluded that Winter failed to assert a prima facie case on any of her claims and granted MedSource’s motion for summary judgment. Winter appealed. 1

*595 All of Winter’s claims are analyzed under the burden shifting framework announced in McDonnell Douglas Corp. v. Green, 411 U.S. 792, 802-04, 93 S.Ct. 1817, 36 L.Ed.2d 668 (1973). In each instance, Winter must first establish a prima facie case. Id. at 802, 93 S.Ct. 1817. In the context of the ADA, she must show that she “(1) has a ‘disability,’ (2) is a ‘qualified individual,’ and (3) has suffered an adverse employment action because of that disability.” See Deane v. Pocono Med. Ctr., 142 F.3d 138, 142 (3d Cir. 1998) (citation omitted). An individual is disabled for the purposes of the ADA if she has “a physical or mental impairment that substantially limits one or more of the major life activities .... ” 42 U.S.C. § 12102(2)(A); see Emory v. AstraZeneca Pharm. LP, 401 F.3d 174, 179 (3d Cir. 2005). Not only does Winter fail to explain the precise nature of her disabHity, there is no evidence to suggest that MedSource personnel knew that Winter was even injured to such a degree that it affected the routine performance of her job. See Conneen v. MBNA Am. Bank, N.A., 334 F.3d 318, 332 (3d Cir. 2003). Thus, Winter fails to meet two of the three elements of her prima facie case.

Her ADEA claim suffers simfiar infirmities. To estabHsh a prima facie age discrimination claim, Winter must show that “(1) s[ ]he is over forty, (2) is qualified for the position in question, (3) suffered from an adverse employment decision, and (4) that ... her replacement was sufficiently younger to permit a reasonable inference of age discrimination.” Potence v. Hazleton Area Sch. Dist., 357 F.3d 366, 370 (3d Cir. 2004). Winter provides no evidence that she was replaced by a substantiaUy younger employee. In fact, she admits to having no idea who was hired or transferred to take over her position. Further, based on her performance evaluations, MedSource had a legitimate nondiscriminatory reason for Winter’s termination.

Finally, Winter has faüed to exhaust her claim of sex discrimination. In order to bring a Title VII action in federal court, the plaintiff must first file a charge with the EEOC sufficient to put the EEOC on notice of her particular claims. See Anjelino v. N.Y. Times Co., 200 F.3d 73, 93 (3d Cir. 1999); Robinson v. Dalton, 107 F.3d 1018, 1020-21 (3d Cir. 1997). Although Winter properly filed a charge with the EEOC, she makes no mention of sexual harassment. She does allege several incidents in her intake questionnaire, but this is not sufficient to exhaust her claim. Winter filed her formal charge after she filled out her intake questionnaire, implying that she abandoned those claims in her formal complaint. See Bost v. Fed. Express Corp., 372 F.3d 1233, 1240-41 (11th Cir. 2004); Novitsky v. Am. Consulting Eng’rs, L.L.C., 196 F.3d 699, 702 (7th Cir. 1999).

For the foregoing reasons, we wiU affirm the judgment of the District Court.