Benjamin Tsoi

ORCID: 0000-0003-2927-6687
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About
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Research Areas
  • HIV/AIDS Research and Interventions
  • HIV, Drug Use, Sexual Risk
  • HIV Research and Treatment
  • Sex work and related issues
  • Adolescent Sexual and Reproductive Health
  • Food Security and Health in Diverse Populations
  • HIV/AIDS oral health manifestations
  • COVID-19 Clinical Research Studies
  • SARS-CoV-2 and COVID-19 Research
  • HIV/AIDS drug development and treatment
  • Homelessness and Social Issues
  • Escherichia coli research studies
  • Infection Control and Ventilation
  • Salmonella and Campylobacter epidemiology
  • MicroRNA in disease regulation
  • Influenza Virus Research Studies
  • COVID-19 and healthcare impacts
  • Listeria monocytogenes in Food Safety
  • COVID-19 diagnosis using AI
  • Health Promotion and Cardiovascular Prevention
  • Nutritional Studies and Diet
  • Occupational Health and Safety Research
  • HIV-related health complications and treatments
  • Bacillus and Francisella bacterial research
  • Focus Groups and Qualitative Methods

New York City Department of Health and Mental Hygiene
2013-2024

New York State Department of Health
2016

Regional Center for Prevention and Control of AIDS and Infectious Diseases
2009

Engagement in HIV care helps to maximize viral suppression, which turn, reduces morbidity and mortality prevents further transmission. With more cases than any other US city, New York City reported 2012 that only 41% of all persons estimated be living with (PLWH) had a suppressed load, whereas nearly three-quarters those clinical achieved suppression. Thus, retaining PLWH addresses this central goal both the National HIV/AIDS Strategy Governor Cuomo's plan end AIDS epidemic State.We...

10.1097/qai.0000000000000577 article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2015-04-11

Recent biomedical advances inspire hope that an end to the epidemic of HIV is in sight. Adopting new approaches and paradigms for treatment prevention terms both messaging programming a priority accelerate progress. Defining key sequential steps comprise engagement care has provided useful framework clinical programs motivated quality improvement initiatives. Recently, same approach been applied use pre-exposure prophylaxis prevention. Building on various continua previously proposed, we...

10.1093/ofid/ofy097 article EN cc-by-nc-nd Open Forum Infectious Diseases 2018-05-02

One in 5 people living with HIV are unaware of their status; they account for an estimated 51% new infections. transmission can be reduced through a "Test and Treat" strategy, which decrease both viral load risk behaviors. However, linkage newly diagnosed HIV-positive persons to care has proved challenging. We report quantitative qualitative data on from testing sites that partnered the New York City Department Health Mental Hygiene implement "The Bronx Knows" (TBK), initiative tested...

10.1097/qai.0b013e3182a99c19 article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2013-10-14

<h3>Importance</h3> Although acute HIV infection contributes disproportionately to onward transmission, testing has not routinely included screening for infection. <h3>Objective</h3> To evaluate the performance of an antigen/antibody (Ag/Ab) combination assay detect compared with pooled RNA testing. <h3>Design, Setting, and Participants</h3> Multisite, prospective, within-individual comparison study conducted between September 2011 October 2013 in 7 sexually transmitted clinics 5...

10.1001/jama.2016.0286 article EN JAMA 2016-02-16

Shigellosis is the third most common enteric bacterial infection in United States. Although typically self-limiting, empiric treatment often prescribed. Because of increasing antimicrobial resistance to Shigella, options are decreasing. Identifying patterns can inform recommendations. The goals our study were examine risk factors associated with Shigella and issues related Shigella. During June 2006-February 2009, we attempted interview all New York City patients reported have shigellosis....

10.1089/mdr.2009.0130 article EN Microbial Drug Resistance 2010-05-03

Background: The Bronx, one of 5 boroughs in New York City (NYC), bears a high burden HIV. We evaluated the impact HIV testing initiatives including 2008 Bronx Knows campaign. Methods: used data from an annual telephone survey representative NYC adults to compare 2005 and 2009 estimates prevalence among residents identify correlates testing. surveillance evaluate changes percentage persons concurrently being diagnosed with AIDS, indicator delayed diagnosis. Results: Between 2009, relative...

10.1097/qai.0b013e3182632960 article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2012-09-01

A new HIV diagnostic algorithm has been proposed which replaces the use of HIV-1 Western blot and immunofluorescence assays (IFA) as supplemental test with an HIV-1/HIV-2 antibody differentiation assay. To compare FDA-approved (Multispot) a confirmatory IFA. Participants were screened combination Antigen/Antibody (Ag/Ab) screening Specimens repeatedly reactive results tested Multispot either or discordant resolved RNA testing. Individuals (37,876) for infection 654 (1.7%) had Ag/Ab assay...

10.1016/j.jcv.2013.10.006 article EN cc-by-nc-nd Journal of Clinical Virology 2013-12-01

Background HIV self-tests increase status awareness by providing convenience and privacy, although cost access may limit use. Since 2015, the New York City (NYC) Health Department has conducted 5 waves of an online Home Test Giveaway. Methods We recruited adult cisgender men who have sex with (MSM) transgender gender-nonconforming (TGNC) individuals had men, were living in NYC, not previously diagnosed, using paid digital advertisements (4–8 weeks per wave). Eligible respondents e-mailed a...

10.1097/olq.0000000000001144 article EN Sexually Transmitted Diseases 2020-03-09

Abstract In-depth qualitative interviews explored the experiences and understandings of men 18–39 years old who have sex with that could facilitate or prevent HIV testing routine testing. For many tested frequently, were motivated by awareness benefit prompt treatment; public health provider encouragement to test periodically; responsibility towards sexual partners; wanting share a recent HIV-negative result when seeking online. some men, any was impeded anxiety around possible diagnosis...

10.1007/s10461-022-03679-5 article EN cc-by AIDS and Behavior 2022-05-10

Abstract During 23 October–16 November 2020, the New York City Department of Health and Mental Hygiene investigated coronavirus disease 2019 (COVID-19) outbreaks at 2 construction sites. Challenges in adhering to State “Interim COVID-19 Guidance for Construction” were reported. To minimize outbreaks, jurisdictions should increase tailored outreach industry, emphasizing infection prevention.

10.1093/cid/ciab312 article EN public-domain Clinical Infectious Diseases 2021-04-10

Background: HIV preexposure prophylaxis (PrEP) has proven to be efficacious and effective in preventing infections, but few studies have reported its impact the real world. Methods: We conducted an ecological analysis compared trends PrEP prescriptions with age-adjusted diagnosis rates New York City (NYC). Joinpoint regression analyses were used identify any temporal NYC. Results: The number of people filling at least one prescription NYC increased from 2551 2014 35 742 2022. overall rate...

10.1097/qad.0000000000003927 article EN AIDS 2024-05-13

Background: Early diagnosis of HIV is important for the prevention ongoing transmission and development HIV-related illness. The purpose this study to develop an outcome indicator monitor progress in early diagnosis. Methods: Persons diagnosed with New York City their first CD4 + test results were used estimate distribution delay, based on a count depletion model. was then probability within 1 year acquisition, which number cases given calendar occurred acquisition divided by incident that...

10.1097/qad.0000000000002510 article EN AIDS 2020-02-25

To evaluate HIV testing efforts based on surveillance data.We determined the contribution of new diagnoses to all positive confidential HIV-1 Western blotting conducted in New York City between 2004 and 2006 clinical history recorded Surveillance Registry, by site type.Of 31,504 blots reported linked Registry cases, 36.8% were 63.2% repeat tests. health department clinics private physicians' offices greater proportions than other sites (64.4% 58.3% vs. 31.1%). The percentage tests at that...

10.1097/qai.0b013e3181a4488f article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2009-07-20

Background: Uptake of pre-exposure prophylaxis (PrEP) in the US has been limited. Evidence for why and how PrEP successfully integrated into some clinical settings, but not others is minimal. To address this gap, we conducted a qualitative study to identify contextual factors that facilitated challenged implementation services. Setting: In partnership with NYC Department Health, convened planning committee expertise groups highly affected by HIV epidemic employed diverse health care guide...

10.1097/qai.0000000000002971 article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2022-06-15

Introduction: In 2010, the New York State Legislature made it mandatory to offer an HIV test people aged 13–64 years receiving hospital or primary care services, with limited exceptions. this study, we used data from City practices evaluate impact of law on testing rates in ambulatory care. Methods: We collected quarterly electronic health records 218 practices. calculated overall and stratified crude rates. Using univariate multivariate generalized estimating equation models, assessed odds...

10.1097/qai.0000000000000407 article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2015-01-01

Background: In the United States, routine HIV testing is recommended for persons aged 13–64 years. 2010, New York State passed a law mandating offer of in most health-care settings. We report on consumer perspective City (NYC) shortly after law's enactment. Methods: analyzed data from 2011 telephone survey representative NYC adults 18–64 years (n = 1,846). This analysis focused respondents' test at last clinical visit and willingness to if by their doctor. Offer were estimated age, gender,...

10.1097/qai.0000000000000390 article EN JAIDS Journal of Acquired Immune Deficiency Syndromes 2015-01-01

In New York City, federally qualified health centers (FQHCs) are ideal partners for departments because of their location in neighborhoods with high rates HIV, hepatitis C virus (HCV) infection, and gonorrhea. Providers have experienced many barriers to following screening treatment recommendations. 2013, the City Department Health Mental Hygiene partnered six FQHCs, representing 14 clinics, make HIV HCV routine increase adherence gonorrhea guidelines through education, electronic record...

10.1177/00333549161310s102 article EN Public Health Reports 2016-01-01

Purpose Awareness raising campaigns have been used to promote HIV prevention messages, including the expansion of testing, but initiating such de novo can be costly. Both Bronx, New York and Washington, DC significant local epidemics a history efforts scale-up testing. To build on prior testing create new messages based consultation with diverse stakeholders, partnership community-based clinical trial enhance treatment was established. The purpose this paper is describe in two jurisdictions,...

10.1108/jsocm-10-2018-0114 article EN cc-by Journal of Social Marketing 2020-08-10
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