Sidney Abbott, an asymptomatic HIV-positive woman, visited Dr. Randon Bragdon's dental office in 1994 for routine care. After examining her and diagnosing a cavity, Dr. Bragdon asked about her medical history; Abbott disclosed she was HIV-positive. Dr. Bragdon refused to perform the cavity-filling procedure in his office and instead offered to treat Abbott in a hospital setting, on the condition that she pay any additional costs associated with hospital care. Abbott declined and subsequently filed suit under Title III of the ADA and state law, alleging discrimination in a place of public accommodation—the professional office of a health care provider—based solely on her HIV status. On summary judgment, the district court held for Abbott, finding that asymptomatic HIV is a disability and that Dr. Bragdon's reliance on a generalized risk of HIV transmission did not satisfy the ADA's "direct threat" defense. The First Circuit affirmed. The Supreme Court granted certiorari to determine (1) whether asymptomatic HIV infection constitutes a disability under the ADA and (2) whether the dentist's refusal could be justified under the ADA's direct threat exception.
Does asymptomatic HIV infection qualify as a disability under the ADA because it substantially limits a major life activity, and may a health care provider refuse in-office treatment under the ADA's "direct threat" exception based on a generalized fear of HIV transmission?
Title III of the ADA prohibits discrimination on the basis of disability in places of public accommodation, including professional offices of health care providers. 42 U.S.C. §§ 12181(7)(F), 12182(a). A "disability" is a physical or mental impairment that substantially limits one or more major life activities. 42 U.S.C. § 12102(2)(A) (pre-ADAAA). A public accommodation may exclude an individual only if the individual poses a "direct threat"—a significant risk to the health or safety of others—that cannot be eliminated by reasonable modifications or by the provision of auxiliary aids or services. 42 U.S.C. § 12182(b)(3); see also 28 C.F.R. § 36.208(b). The direct threat inquiry must be individualized and grounded in reasonable medical judgment based on the most current medical knowledge and/or the best available objective evidence, considering factors identified in School Board of Nassau County v. Arline, 480 U.S. 273 (1987) (nature of the risk, duration, severity, probability of harm, and whether reasonable modifications can mitigate the risk). The informed views of public health authorities, such as the CDC and professional organizations, are entitled to special weight.
Asymptomatic HIV infection constitutes a disability under the ADA because it substantially limits the major life activity of reproduction, and a dentist's office is a place of public accommodation covered by Title III. The "direct threat" defense requires an objective, evidence-based assessment; subjective beliefs or generalized fears are insufficient. The Court affirmed the disability determination and remanded for further proceedings on whether, under the correct standard and on the summary judgment record, treating the patient in the dental office posed a significant risk that could not be eliminated by reasonable measures.
The Court first interpreted the ADA's definition of disability, focusing on whether asymptomatic HIV substantially limits a major life activity. It identified reproduction as a major life activity, reasoning that the ability to procreate and bear children is a significant life function central to human existence. Medical evidence in the record showed that HIV infection materially constrains reproductive choices due to the risk of sexual transmission to a partner and vertical transmission to a child, as well as the health consequences to the mother. The Court rejected the argument that HIV must produce manifest symptoms to qualify; the statute's text turns on substantial limitation of major life activities, not on symptomatic expression. It further emphasized that Congress intended broad coverage and that the term "impairment" includes conditions that meaningfully restrict major life activities, even when clinical symptoms are not outwardly apparent. Turning to the "direct threat" defense, the Court adopted and incorporated the Arline framework, requiring an individualized assessment based on objective scientific and medical data. The Court underscored that professional guidance from public health authorities (such as the CDC and the American Dental Association) carries special weight and that the defendant cannot rely on subjective judgment, stereotypes, or unsubstantiated fears about transmission. The appropriate inquiry asks whether the specific procedure at issue—here, filling a cavity—posed a significant risk to the dentist's health that could not be mitigated through reasonable measures such as universal precautions. Because the lower courts did not fully apply the required evidentiary standard to all aspects of the risk assessment, the Supreme Court remanded for consideration under the correct, objective framework while affirming the core legal determinations regarding disability and the applicability of Title III.
Bragdon is a cornerstone ADA case for at least three reasons. First, it recognizes asymptomatic HIV as a disability, establishing that the ADA protects individuals whose impairments substantially limit major life activities even absent overt symptoms. Second, it elevates reproduction to a recognized major life activity, a concept that later informed and was reinforced by the ADA Amendments Act of 2008, which expressly includes major bodily functions such as immune and reproductive functions. Third, it articulates the stringent, evidence-based standard for the "direct threat" defense, requiring individualized, science-driven risk assessments and rejecting decisions grounded in fear or generalizations. For law students, Bragdon offers a model of statutory interpretation, the integration of medical evidence into legal analysis, and the mechanics of burden allocation and proof under Title III.
Bragdon v. Abbott reshaped ADA jurisprudence by confirming that asymptomatic HIV falls within the statute's protections and by recognizing reproduction as a major life activity. It grounded ADA coverage in objective medical understanding rather than appearances or stereotypes, ensuring that individuals with HIV could not be denied access to routine health services solely because of their diagnosis.