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ISSUE 28                                                                                                      July 2020
Recent Publications
Evidence for Spread of SARS-CoV-2 via Aerosol
 
Dr. Kristen Coleman and collaborators in Singapore recently published a study in Nature Communications demonstrating SARS-CoV-2 RNA concentrations detected in aerosols >4 and 1–4 microns in diameter inside isolation rooms of COVID-19 patients. This is the second study in the world to measure the particle size distribution of airborne SARS-CoV-2, which has important implications for infection control policy. The team also found that 57% of the patient rooms had at least one contaminated surface identified, but contamination dropped off after day seven of illness, suggesting a lower risk of SARS-CoV-2 transmission during week two of illness. 
 
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Duke One Health Team Member Studies the Feasibility of Conducting Surveillance for Swine Pathogens in Slurry from NC Swine Farms
 
Dr. Emily Bailey and other Duke One Health team members published a feasibility study for surveilling swine pathogens with potential human-animal transmission in North Carolina swine farms through a One Health approach by engaging farmers in the research process. Eighty-six percent of samples collected were positive for at least one of the target viruses, which included; influenza viruses, enteroviruses, coronaviruses, adenoviruses, and encephalomyocarditis virus.
Duke One Health Team Member Publishes Paper on Bioaerosol Sampling in Cities with Poor Sanitation
 
Led by Lucas Rocha-Melogno of the department of Civil & Environmental Engineering, Duke One Health team and collaborators from Georgia Tech and two universities in Bolivia published an article titled “Bioaerosol sampling optimization for community exposure assessment in cities with poor sanitation: A one health cross-sectional study.” The study consisted of sampling bioaerosols next to open sewers in La Paz, Bolivia, where close to a million citizens use a river to dispose of domestic, hospital and industrial wastewater. The optimized methodology provides simple surveillance tools for cities with poor sanitation, where aerosols could contribute to the exposure to enteric pathogens.
One Health Team Awards
Duke One Health Team Receives Grant from Duke/Duke-NUS

A continuing collaboration between Greg Gray and Marc Deshusses secured a Duke/Duke-NUS Pilot Project grant to create a web application to conduct rapid Quantitative Microbial Risk Assessments (QMRAs) for infectious diseases transmitted through aerosol exposure. The proposed application will evaluate two critical scenarios: exposure to bioaerosols in poor sanitation contexts (lead will be Duke’s main campus) and exposure to zoonotic pathogens in live bird markets (lead will be Duke-NUS). An additional objective is to strengthen collaboration between the Deshusses and Gray laboratories, linking the Durham NUS campuses, and the medical and engineering fields.

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Duke One Health Team Won Support to Lead a DGHI Novel Virus Pneumonia Study
 
Duke One Health will soon receive a grant from Duke University’s Global Health Institute to create a viral pathogen discovery network to help identify and characterize novel viruses among pneumonia patients in three countries (Malaysia, Sri Lanka, and Kenya). The DGHI viral pathogen discovery network, proposed in this study, would serve as an early warning system to identify novel zoonotic pre-pandemic viruses that could benefit both the collaborating developing countries as well as the world in general.
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Duke One Health Team Newsletter is supported by One Health Initiative and One Health Commission
Meet the Newsletter Editors:

                                 

Anfal Abdelgadir (left), Emily Robie, MSc (middle), amd Kara Kochek (right) serve as the editors of Duke One Health Team News. Anfal is a rising second-year master's student at the Duke Global Health Institute. Emily graduated from the Duke Global Health Institute in May 2019 and is currently working as a research analyst for the One Health Team at Duke University. Kara graduated from Gillings School of Global Public Health in December 2019 and is also currently working as a research analyst for the One Health Team at Duke University. 
 
Anfal Abdelgadir anfal.abdelgadir@duke.edu
Emily Robie, MSc emily.robie@duke.edu
Kara Kochek, MS kara.kochek@duke.edu
The Duke One Health Team News periodically reports research and training news
from the Duke One Health Team's activities in 10 countries.
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