January 23, 2015

Dr. Mark Sobsey

Dr. Mark Sobsey

Mark Sobsey, PhD, Kenan Distinguished Professor of environmental sciences and engineering at the Gillings School, has received a competitive pilot research grant from the UNC Institute for Global Health and Infectious Diseases (IGHID) and UNC Program in Nicaragua (ProNica) to evaluate water-borne antimicrobially resistant bacteria (ARB) in León, Nicaragua, and Chapel Hill, N.C.

IGHID and ProNica awarded three diverse programs, including Sobsey’s, to support infectious diseases research and collaboration between faculty members of UNC-Chapel Hill and Universidad Nacional Autónoma de Nicaragua, León (UNAN). The grant will support the work in Nicaragua through July.

Sobsey, working with UNAN co-investigators Drs. Daniel Reyes and Samuel Vilchez, will determine the extent to which antibiotic-resistant fecal bacteria which have caused illness in hospital patients are being released into the environment through hospital sewage. Sobsey and colleagues will examine the levels of these bacteria, including E. coli and Klebsiella pneumonia, which have made their way to community sewage, putting people at risk for exposure through contact with sewage or sewage-contaminated water.

“We are trying to better understand and quantify the extent to which environmental pathways – such as drinking water, recreational water and agricultural use of human waste water – result in human exposures that contribute to the known disease burdens caused by ARB,” Sobsey said. “This is now a high priority concern of the World Health Organization and others who are now developing a global action plan to better combat the health threats posed by ARB.”

In related research, Sobsey recently was funded by the National Science Foundation to study the survival and disinfection of Ebola virus in sewage.


Gillings School of Global Public Health contact: David Pesci, director of communications, (919) 962-2600 or dpesci@unc.edu.
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