Full Text Journal Articles by
Author Melvin Johnson

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PREVAIL I cluster vaccination study with rVSVG-ZEBOV-GP as part of a public health response in Liberia.

Fatorma K Bolay, Greg Grandits, H Clifford Lane, Stephen B Kennedy, Melvin P Johnson, Mosoka P Fallah, Barthalomew Wilson, Wissedi Njoh, Laura A McNay, Lisa Hensley, Elizabeth S Higgs,

Objective:In November 2015, a 15-year-old boy was diagnosed with Ebola virus disease (EVD) at JFK Hospital in Monrovia, Liberia. Two additional family members were diagnosed with EVD. The protocol for a Phase 2 placebo-controlled trial of two Ebola vaccines was amended, approved; in four days a single-arm cluster vaccination using ... Read more >>

J. Infect. Dis. (The Journal of infectious diseases)
[2018, :]

Cited: 0 times

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A review of strategies used to retain participants in clinical research during an infectious disease outbreak: The PREVAIL I Ebola vaccine trial experience.

Sarah Browne, Tarweh Carter, Risa Eckes, Greg Grandits, Melvin Johnson, Irene Moore, Laura McNay,

This article describes a retrospective review of participant follow-up and retention strategies in the Partnership for Research on the Ebola Virus in Liberia (PREVAIL) I Vaccine Trial. It illustrates and analyzes strategies used to retain participants in an emergency clinical research response vaccine trial conducted during the 2014 Ebola outbreak ... Read more >>

Contemp Clin Trials Commun (Contemporary clinical trials communications)
[2018, 11:50-54]

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Conventional Wisdom versus Actual Outcomes: Challenges in the Conduct of an Ebola Vaccine Trial in Liberia during the International Public Health Emergency.

Gregg S Larson, Beth R Baseler, Marie L Hoover, Jerome F Pierson, Jemee K Tegli, Melvin P Johnson, Mark W S Kieh, Laura A McNay, Wissedi Sio Njoh,

Clinical trials are challenging endeavors. Planning and implementing an investigational vaccine trial in Liberia, in the midst of an Ebola virus disease (EVD) epidemic that World Health Organization classified a public health emergency of international concern, presented extraordinary challenges. Normally, years of preparation and a litany of tasks lay the ... Read more >>

Am. J. Trop. Med. Hyg. (The American journal of tropical medicine and hygiene)
[2017, 97(1):10-15]

Cited: 3 times

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Implementation of an Ebola virus disease vaccine clinical trial during the Ebola epidemic in Liberia: Design, procedures, and challenges.

Stephen B Kennedy, James D Neaton, H Clifford Lane, Mark W S Kieh, Moses B F Massaquoi, Nancy A Touchette, Martha C Nason, Dean A Follmann, Fatorma K Boley, Melvin P Johnson, Gregg Larson, Francis N Kateh, Tolbert G Nyenswah,

The index case of the Ebola virus disease epidemic in West Africa is believed to have originated in Guinea. By June 2014, Guinea, Liberia, and Sierra Leone were in the midst of a full-blown and complex global health emergency. The devastating effects of this Ebola epidemic in West Africa put ... Read more >>

Clin Trials (Clinical trials (London, England))
[2016, 13(1):49-56]

Cited: 27 times

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Accuracy of vertical radial plume mapping technique in measuring lagoon gas emissions.

Maialen Viguria, Kyoung S Ro, Kenneth C Stone, Melvin H Johnson,

Recently, the U.S. Environmental Protection Agency (EPA) posted a ground-based optical remote sensing method on its Web site called Other Test Method (OTM) 10 for measuring fugitive gas emission flux from area sources such as closed landfills. The OTM 10 utilizes the vertical radial plume mapping (VRPM) technique to calculate ... Read more >>

J Air Waste Manag Assoc (Journal of the Air & Waste Management Association (1995))
[2015, 65(4):395-403]

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Optimal sensor locations for the backward lagrangian stochastic technique in measuring lagoon gas emission.

Kyoung S Ro, Kenneth C Stone, Melvin H Johnson, Patrick G Hunt, Thomas K Flesch, Richard W Todd,

This study evaluated the impact of gas concentration and wind sensor locations on the accuracy of measuring gas emission rates from a lagoon environment using the backward Lagrangian stochastic (bLS) inverse-dispersion technique. Path-integrated concentrations (PICs) and three-dimensional (3D) wind vector data were collected at different locations within the lagoon landscape. ... Read more >>

J. Environ. Qual. (Journal of environmental quality)
[2014, 43(4):1111-1118]

Cited: 2 times

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Measurement of greenhouse gas emissions from agricultural sites using open-path optical remote sensing method.

Kyoung S Ro, Melvin H Johnson, Ravi M Varma, Ram A Hashmonay, Patrick Hunt,

Improved characterization of distributed emission sources of greenhouse gases such as methane from concentrated animal feeding operations require more accurate methods. One promising method is recently used by the USEPA. It employs a vertical radial plume mapping (VRPM) algorithm using optical remote sensing techniques. We evaluated this method to estimate ... Read more >>

J Environ Sci Health A Tox Hazard Subst Environ Eng (Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering)
[2009, 44(10):1011-1018]

Cited: 1 time

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Oxygen transfer in marsh-pond-marsh constructed wetlands treating swine wastewater.

Kyoung S Ro, Patrick G Hunt, Melvin H Johnson, Terry A Matheny, Dean Forbes, Gudigopuram B Reddy,

Oxygen transfer efficiencies of various components of the marsh-pond-marsh (M-P-M) and marsh-floating bed-marsh (M-FB-M) wetlands treating swine wastewater were determined by performing oxygen mass balance around the wetlands. Biological oxygen demand (BOD) and total nitrogen (TN) loading and escaping rates from each wetland were used to calculate carbonaceous and nitrogenous ... Read more >>

J Environ Sci Health A Tox Hazard Subst Environ Eng (Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering)
[2010, 45(3):377-382]

Cited: 2 times

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