Publications by authors named "Vivian Levy"

As part of an epidemiologic survey, we screened remnant samples collected for STI testing for mpox virus. We identified two cases of presumed MPXV infection in pregnant, heterosexual cisgender women. Here, we describe their pregnancy and birth outcomes.

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Background: Despite the sharp increase in mpox (formerly monkeypox) incidence and the wide geographic spread of mpox during the 2022 outbreak, the community prevalence of infection remains poorly characterized. This study is a retrospective epidemiologic survey to estimate mpox prevalence.

Methods: Samples obtained for sexually transmitted infection (STI) testing from April to September 2022 in the public hospital and clinic system of San Mateo County, California were screened for mpox virus (MPXV) using polymerase chain reaction.

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Through a public County/University partnership, we employed a Spanish/English bilingual research coordinator to increase awareness of newly available treatments with FDA Emergency Use Authorization and clinical trial opportunities for Latino outpatients with mild to moderate COVID-19. Out of the 550 San Mateo County outpatients with COVID-19 referred to Stanford University between July 2020 and April 2022, 9.5% elected to receive monoclonal antibody EUA treatment.

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Context: Although osteopathic manipulative treatment (OMT) is predominantly known for its benefits in improving musculoskeletal pain, many studies have examined the effects of OMT on hospitalized patients with a variety of conditions, showing improved outcomes in conditions such as pneumonia, postoperative and postpartum recovery, preterm newborn recovery, and newborn feeding dysfunction.

Objective: To determine the reasons osteopathic manipulative medicine (OMM) consultations are being ordered at a tertiary care teaching hospital.

Methods: This descriptive study was conducted at an academic medical center with a well-established electronic health record system.

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The HIV epidemic in San Mateo County is sustained by multiple overlapping risk groups and is an important hub for HIV transmission in northern California. Limited access to care has led historically to delayed clinical presentation, higher rates of opportunistic infections, and an increased prevalence of antiretroviral drug resistance. The virologic and clinical consequences of treatment within these multiple ethnic and behavioral groups are poorly understood, highlighting the need for efficient surveillance strategies that are able to elucidate transmission networks and drug resistance patterns.

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High-risk human papillomavirus anal infections are common in human immunodeficiency virus-infected women. We conducted a cross-over study in 30 women seen in a California human immunodeficiency virus clinic, to test the feasibility of self-performed anal Pap smears. Women found the tests acceptable and feasible.

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Background: Technology-enabled approaches may reach suburban and rural men who have sex with men (MSM) who lack physical venues, where they live for sexually transmitted disease (STD)/HIV prevention efforts. We evaluated using Grindr, an all-male social networking platform, for STD/HIV prevention services to MSM by a suburban Public Health department.

Methods: Phase 1 (October 2012-March 2013) focused on acceptability of prevention messages by MSM on Grindr and phase 2 (October 2013-March 2014) Grindr use for implementing testing and linkage-to-care.

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An HIV-negative man with pharyngeal gonorrhea had a positive test-of-cure (nucleic acid amplification test) result 7 days after treatment with ceftriaxone/azithromycin. Neisseria gonorrhoeae Multi-Antigen Sequencing Type 1407 and mosaic pen A (XXXIV) gene were identified in the test-of-cure specimen, and culture was negative. Retreatment with ceftriaxone 500 mg intramuscularly plus azithromycin 2 g orally yielded a negative test-of-cure result.

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Background: The human papillomavirus (HPV) is the precursor and the single, most important risk factor for cervical cancer. It is also the most commonly sexually transmitted infection in the United States. An estimated 20 million persons are currently infected with the virus, with an estimated 6 million new infections occurring annually and 12,000 new cervical cancer cases and 4,000 cervical cancer deaths annually.

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Background: Results of a recent demonstration project evaluating feasibility, acceptability, and cost of a Web-based sexually transmitted infection (STI) testing and e-prescription treatment program (eSTI) suggest that this approach could be a feasible alternative to clinic-based testing and treatment, but the results need to be confirmed by a randomized comparative effectiveness trial.

Methods: We modeled a decision tree comparing (1) cost of eSTI screening using a home collection kit and an e-prescription for uncomplicated treatment versus (2) hypothetical costs derived from the literature for referral to standard clinic-based STI screening and treatment. Primary outcome was number of STIs detected.

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Objectives: We examined the acceptability, feasibility, and cost of a fully integrated online system (eSTI) for sexually transmitted infection (STI) testing, treatment, and linkage to care with 4 Northern California health departments.

Methods: In April 2012, we implemented the eSTI system, which provided education; testing of self-collected vaginal swabs for chlamydia, gonorrhea, and trichomoniasis; e-prescriptions; e-partner notification; and data integration with clinic electronic health records. We analyzed feasibility, acceptability, and cost measures.

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Commercially available nucleic acid amplification tests (NAATs) for Neisseria gonorrhoeae and Chlamydia trachomatis detection allow for self-collection including home-based collection from multiple anatomic sites such as the urethra, cervicovagina, rectum, and pharynx. Verification studies need to be done prior to processing pharyngeal and rectal specimens. We review specimen collection and test characteristics of NAATs at different anatomical sites.

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Objectives: Late HIV testing leads to preventable, severe clinical and public health outcomes. California, lacking a mature HIV surveillance system, has been excluded from documented analyses of late HIV testers in the United States. We identified factors associated with late HIV testing in the California AIDS surveillance data to inform programs of HIV testing and access to treatment.

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Background: The dynamics of chlamydia clearance after treatment administration for chlamydial urogenital infection are unknown. We estimated the time to clearance of Chlamydia trachomatis (CT) ribosomal RNA (rRNA) after administration of azithromycin for cervical chlamydial infection using APTIMA Combo 2 (Gen-Probe, Inc., San Diego, CA, USA).

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Trials to evaluate the efficacy of preventive HCV vaccines will need participation from high risk HCV seronegative injection drug users (IDUs). To guide trial planning, we assessed willingness of young IDU in San Francisco to participate in HCV vaccine efficacy trials and evaluate knowledge of vaccine trial concepts: placebo, randomization and blinding. During 2006 and 2007, a total of 67 participants completed the survey.

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Background: Despite an effective vaccine, 60,000 new HBV infections were reported in the US in 2004; 95% in adults. We evaluate HBV sero-prevalence, risk behaviors and self-reported vaccination among Latino immigrant, Asian immigrant and US born low income men in five northern California counties.

Methods: Population based, cross sectional survey of HBV sero-prevalence and risk behaviors in men aged 18 to 35 years.

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Objectives/goal: Chlamydia infections are increasing in California, with rates highest in young women aged 15 to 24. Juvenile detention facilities are important venues for screening high-risk youth who may not otherwise access care. We, therefore, sought to identify risk factors for urogenital chlamydia among young women in a county juvenile detention facility between 2002 and 2005.

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To describe the determinants of delayed HIV presentation in one Northern California County, the authors identify persons with an opportunistic infection (OI) at HIV diagnosis. From 2000-2002, a sample of HIV patients attending a public AIDS program (n=391) were identified. Immigrants composed 24% of our sample; 78.

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Coinfections with human immunodeficiency virus (HIV) and hepatitis B virus (HBV) are common globally. HIV infection modifies the course of HBV infection by increasing rates of chronicity, prolonging HBV viremia, and increasing liver-related morbidity. To minimize the emergence of HIV and/or HBV resistance, as well as the emergence of liver enzyme flares, the treatment of both infections should be coordinated.

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The risk of bacteremia in patients with cirrhosis increases with more advanced Child classification. Escherichia coli is the most frequently implicated organism in these bacteremic episodes. Unusually, E.

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