Wei Cheng

ORCID: 0009-0002-5491-7079
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About
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Research Areas
  • HIV, Drug Use, Sexual Risk
  • HIV/AIDS Research and Interventions
  • HIV Research and Treatment
  • HIV-related health complications and treatments
  • COVID-19 Clinical Research Studies
  • Adolescent Sexual and Reproductive Health
  • COVID-19 Impact on Reproduction
  • Tuberculosis Research and Epidemiology
  • Hepatitis C virus research
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 epidemiological studies
  • Evolution and Genetic Dynamics
  • HIV/AIDS drug development and treatment
  • Hepatitis B Virus Studies
  • Bacteriophages and microbial interactions
  • COVID-19 and Mental Health

Zhejiang Center for Disease Control and Prevention
2022-2025

In China, human immunodeficiency virus (HIV) poses a significant challenge to older heterosexual adults. This study explored the transmission dynamics of HIV infection among adults in northern Zhejiang Province, China using phylogenetic analysis and networks. pol sequences without any antiretroviral therapy were obtained from newly diagnosed HIV-positive patients Huzhou between 2017 2022. Pairwise genetic distances calculated Trace based on Tamura-Nei 93 method. The network was constructed...

10.1186/s12985-025-02681-2 article EN cc-by-nc-nd Virology Journal 2025-03-15

Background In recent years, the number and proportion of newly reported HIV/AIDS cases among older adults have increased dramatically. However, research on pattern temporal spatial changes in remains limited. Objective This study analyzed distribution its influencing factors Eastern China from 2004 to 2021, with goal improving prevention intervention. Methods We extracted data between 2021 a case-reporting system used Joinpoint regression model an age-period-cohort analyze trends prevalence....

10.2196/51172 article EN cc-by JMIR Public Health and Surveillance 2023-12-14

Background Limited studies have explored the impact of Omicron variant on SARS-CoV-2 infection, hospitalization, and associated factors among people living with HIV, particularly in China. The adjustment preventive policies since December 2022 China presents an opportunity to evaluate real-world influencing infection related hospitalization HIV. Objective This study aimed investigate rates, HIV following from February 2023 southeastern Methods A cross-sectional telephone or web-based survey...

10.2196/51449 article EN cc-by JMIR Public Health and Surveillance 2024-04-17

<sec> <title>BACKGROUND</title> HIV notification and testing integrated into partner service (PS) practices among HIV-positive individuals have been proven to be an efficient approach for case finding, although it remains a weak link in China. Although nonmarital sexual activities accounted large proportion of newly diagnosed cases China, little is known about PS uptake associated factors within partnerships. </sec> <title>OBJECTIVE</title> This study aimed describe utilization its with...

10.2196/preprints.59095 preprint EN 2024-04-09

Background HIV notification and testing integrated into partner service (PS) practices among HIV-positive individuals have been proven to be an efficient approach for case finding, although it remains a weak link in China. Although nonmarital sexual activities accounted large proportion of newly diagnosed cases China, little is known about PS uptake associated factors within partnerships. Objective This study aimed describe utilization its with partners. Methods We recruited who had partners...

10.2196/59095 article EN cc-by JMIR Public Health and Surveillance 2024-09-09

<sec> <title>BACKGROUND</title> In recent years, the number and proportion of newly reported HIV/AIDS cases among older adults have increased dramatically. However, research on pattern temporal spatial changes in remains limited. </sec> <title>OBJECTIVE</title> This study analyzed distribution its influencing factors Eastern China from 2004 to 2021, with goal improving prevention intervention. <title>METHODS</title> We extracted data between 2021 a case-reporting system used Joinpoint...

10.2196/preprints.51172 preprint EN 2023-07-23

<sec> <title>BACKGROUND</title> Limited studies have explored the impact of Omicron variant on SARS-CoV-2 infection, hospitalization, and associated factors among people living with HIV, particularly in China. The adjustment preventive policies since December 2022 China presents an opportunity to evaluate real-world influencing infection related hospitalization HIV. </sec> <title>OBJECTIVE</title> This study aimed investigate rates, HIV following from February 2023 southeastern...

10.2196/preprints.51449 preprint EN 2023-08-01

Background: People who use drugs (PWUD) are among those with the highest risk for hepatitis C virus (HCV) infection. Highly effective direct-acting antiviral agents offer an opportunity to eliminate HCV. A simple tool prediction of HCV infection in PWUD is urgently needed. This study aimed develop and validate a identify people at greater having that applicable resource-limited settings. Methods: We extracted data from national HIV/AIDS sentinel surveillance (Zhejiang Province, 2016–2021)...

10.3390/ijerph192315677 article EN International Journal of Environmental Research and Public Health 2022-11-25
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