The DOI matches its Crossref record.
Clinical and epidemiologic features of primary HIV infection.
Abstract
BACKGROUND: The acute clinical events surrounding the acquisition of human immunodeficiency virus (HIV) have not been well characterized. OBJECTIVE: To further define the clinical and epidemiologic presentation of primary HIV infection. DESIGN: Descriptive cohort study. SETTING: University research clinic. PATIENTS: 46 adults (43 men and 3 women) with primary HIV infection who enrolled in the study a median of 51 days after HIV seroconversion. MEASUREMENTS: Documentation of recent HIV seroconversion. Standardized collection of demographic characteristics and sexual contact history, results of tests for HIV RNA, HIV culture, and T-cell subsets. RESULTS: 41 of 46 patients (89%) developed an acute retroviral syndrome. Primary HIV infection was infrequently diagnosed at the initial medical encounter, even in persons enrolled in routine HIV screening programs. Median numbers of sexual partners 6 months and 1 month before acquisition of HIV were three and one, respectively; 21 patients (46%) reported having had only one partner in the month before seroconversion. Of the 12 patients who could identify the precise date of and activity leading to seroconversion, 4 reported having only oral-genital contact. CONCLUSIONS: Primary HIV infection causes a recognizable clinical syndrome that is often underdiagnosed, even in persons enrolled in a program of routine surveillance for HIV infection. Frequency of sexual contact and overall numbers of sexual partners in this group of homosexual men who acquired HIV were markedly lower than those seen a decade ago. Acquisition of HIV does occur, even in persons with relatively few sexual partners. Increased attention to oral-genital contact as a means of acquiring HIV appears to be warranted.
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“Most persons experience at least one symptom; however, some might be asymptomatic or have no recognition of illness (406–409).”
From Sexually Transmitted Infections Treatment Guidelines, 2021 (2021) · cites this paper as [406]
In the citing paper
“Infection with HIV causes an acute but brief and nonspecific influenza-like retroviral syndrome that can include fever, malaise, lymphadenopathy, pharyngitis, arthritis, or skin rash.”
From Sexually Transmitted Infections Treatment Guidelines, 2021 (2021) · cites this paper as [406]
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Metadata
- Authors
- Schacker, T., Collier, A. C., Hughes, J., Shea, T., & Corey, L.
- Affiliations
- University of Washington (US)
- Corresponding author
- Schacker, Timothy
- Venue
- Annals of Internal Medicine
- Publisher
- American College of Physicians
- Published
- 1996-08-15
- Volume
- 125
- Issue
- 4
- Pages
- 257-264
- ISSN
- 0003-4819 (ISSN-L)
- 1539-3704
- OpenAlex
- W2008972159
- Cited by
- 703
- References
- 0
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 6 · 2023: 9 · 2022: 9 · 2021: 9 · 2020: 12 · 2019: 15 · 2018: 17 · 2017: 17 · 2016: 20 · 2015: 21 · 2014: 31 · 2013: 33 · 2012: 32
- FWCI
- 28.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Annals of Internal Medicine (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institutes of Health (n01ai045206-013)
- National Institute of Allergy and Infectious Diseases (AI 27757, AI-45206, P30AI027757)
- Topics
- Health Sciences › Medicine › Infectious Diseases › HIV/AIDS Research and Interventions
- Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
- Health Sciences › Medicine › Infectious Diseases › HIV-related health complications and treatments
- Keywords
- primary HIV infection, acute retroviral syndrome, HIV seroconversion, underdiagnosis, sexual partners, oral-genital contact, gay men, HIV transmission, T cell subsets, HIV RNA
- MeSH terms
- Adult, Female, HIV, HIV Seropositivity, Homosexuality, Humans, Male, Risk Factors, RNA, Viral, Time Factors, United States, Washington, HIV Infections, Polymerase Chain Reaction, HIV Core Protein p24, CD4 Lymphocyte Count
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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