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Dive into the research topics where Wu Zeng is active.

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Featured researches published by Wu Zeng.


American Journal of Tropical Medicine and Hygiene | 2012

Economic cost of dengue in Puerto Rico.

Yara A. Halasa; Donald S. Shepard; Wu Zeng

Dengue, endemic in Puerto Rico, reached a record high in 2010. To inform policy makers, we derived annual economic cost. We assessed direct and indirect costs of hospitalized and ambulatory dengue illness in 2010 dollars through surveillance data and interviews with 100 laboratory-confirmed dengue patients treated in 2008–2010. We corrected for underreporting by using setting-specific expansion factors. Work absenteeism because of a dengue episode exceeded the absenteeism for an episode of influenza or acute otitis media. From 2002 to 2010, the aggregate annual cost of dengue illness averaged


Health Policy and Planning | 2013

Impact of performance-based financing on primary health care services in Haiti

Wu Zeng; Marion Cros; Katherine D Wright; Donald S. Shepard

38.7 million, of which 70% was for adults (age 15+ years). Hospitalized patients accounted for 63% of the cost of dengue illness, and fatal cases represented an additional 17%. Households funded 48% of dengue illness cost, the government funded 24%, insurance funded 22%, and employers funded 7%. Including dengue surveillance and vector control activities, the overall annual cost of dengue was


American Heart Journal | 2013

Benefits and costs of intensive lifestyle modification programs for symptomatic coronary disease in Medicare beneficiaries

Wu Zeng; William B. Stason; Stephen Fournier; Moaven Razavi; Grant Ritter; Gail K. Strickler; Sarita Bhalotra; Donald S. Shepard

46.45 million (


American Journal of Tropical Medicine and Hygiene | 2012

A Controlled Study of Funding for Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome as Resource Capacity Building in the Health System in Rwanda

Donald S. Shepard; Wu Zeng; Peter Amico; Angelique K. Rwiyereka; Carlos Avila-Figueroa

12.47 per capita).


American Journal of Tropical Medicine and Hygiene | 2014

Efficiency of HIV/AIDS health centers and effect of community-based health insurance and performance-based financing on HIV/AIDS service delivery in Rwanda.

Wu Zeng; Angelique K. Rwiyereka; Peter Amico; Carlos Avila-Figueroa; Donald S. Shepard

To strengthen Haitis primary health care (PHC) system, the country first piloted performance-based financing (PBF) in 1999 and subsequently expanded the approach to most internationally funded non-government organizations. PBF complements support (training and technical assistance). This study evaluates (a) the separate impact of PBF and international support on PHCs service delivery; (b) the combined impact of PBF and technical assistance on PHCs service delivery; and (c) the costs of PBF implementation in Haiti. To minimize the risk of facilities neglecting potential non-incentivized services, the incentivized indicators were randomly chosen at the end of each year. We obtained quantities of key services from four departments for 217 health centres (15 with PBF and 202 without) from 2008 through 2010, computed quarterly growth rates and analysed the results using a difference-in-differences approach by comparing the growth of incentivized and non-incentivized services between PBF and non-PBF facilities. To interpret the statistical analyses, we also interviewed staff in four facilities. Whereas international support added 39% to base costs of PHC, incentive payments added only 6%. Support alone increased the quantities of PHC services over 3 years by 35% (2.7%/quarter). However, support plus incentives increased these amounts by 87% over 3 years (5.7%/quarter) compared with facilities with neither input. Incentives alone was associated with a net 39% increase over this period, and more than doubled the growth of services (P < 0.05). Interview findings found no adverse impacts and, in fact, indicated beneficial impacts on quality. Incentives proved to be a relatively inexpensive, well accepted and very effective complement to support, suggesting that a small amount of money, strategically used, can substantially improve PHC. Haitis experience, after more than a decade of use, indicates that incentives are an effective tool to strengthen PHC.


Cell Death and Disease | 2017

In situ generated D‐peptidic nanofibrils as multifaceted apoptotic inducers to target cancer cells

Xuewen Du; Jie Zhou; Huainin Wang; Junfeng Shi; Yi Kuang; Wu Zeng; Zhimou Yang; Bing Xu

BACKGROUND This study reports outcomes of a Medicare-sponsored demonstration of two intensive lifestyle modification programs (LMPs) in patients with symptomatic coronary heart disease: the Cardiac Wellness Program of the Benson-Henry Mind Body Institute (MBMI) and the Dr Dean Ornish Program for Reversing Heart Disease® (Ornish). METHODS This multisite demonstration, conducted between 2000 and 2008, enrolled Medicare beneficiaries who had had an acute myocardial infarction or a cardiac procedure within the preceding 12 months or had stable angina pectoris. Health and economic outcomes are compared with matched controls who had received either traditional or no cardiac rehabilitation following similar cardiac events. Each program included a 1-year active intervention of exercise, diet, small-group support, and stress reduction. Medicare claims were used to examine 3-year outcomes. The analysis includes 461 elderly, fee-for-service, Medicare participants and 1,795 controls. RESULTS Cardiac and non-cardiac hospitalization rates were lower in participants than controls in each program and were statistically significant in MBMI (P < .01). Program costs of


Eastern Mediterranean Health Journal | 2015

Value and impact of international hospital accreditation: a case study from Jordan.

Yara A. Halasa; Wu Zeng; E. Chappy; Donald S. Shepard

3,801 and


PLOS ONE | 2017

Evaluation of the performance of national health systems in 2004-2011: An analysis of 173 countries

Daxin Sun; Haksoon Ahn; Tomas Lievens; Wu Zeng

4,441 per participant for the MBMI and Ornish Programs, respectively, were offset by reduced health care costs yielding non-significant three-year net savings per participant of about


Annals of Human Biology | 2016

Catch-up growth and growth deficits: Nine-year annual panel child growth for native Amazonians in Bolivia

Rebecca Zhang; Eduardo A. Undurraga; Wu Zeng; Victoria Reyes-García; Susan Tanner; William R. Leonard; Jere R. Behrman; Ricardo Godoy

3,500 in MBMI and


Vaccine | 2018

Cost-effectiveness of dengue vaccination in ten endemic countries

Wu Zeng; Yara A. Halasa-Rappel; Nicolas Baurin; Laurent Coudeville; Donald S. Shepard

1,000 in Ornish. A trend towards lower mortality compared with controls was observed in MBMI participants (P = .07). CONCLUSIONS Intensive, year-long LMPs reduced hospitalization rates and suggest reduced Medicare costs in elderly beneficiaries with symptomatic coronary heart disease.

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Carlos Avila-Figueroa

Joint United Nations Programme on HIV/AIDS

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Victoria Reyes-García

Autonomous University of Barcelona

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Marwa Farag

University of Saskatchewan

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Haksoon Ahn

University of Maryland

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