Health care workers make their rounds as they care for patients, including two new patients, in the ELWA II ETU (Ebola treatment unit), Monrovia, Liberia on Monday, March 9, 2015.  <br /> Occidental College professor Mary Beth Heffernan's PPE Portrait Project involves creating wearable portraits of the health care workers who must wear PPE (personal protective equipment) when working with patients.<br /> (Photo by Marc Campos, Occidental College Photographer), 2015. <br /> Occidental College professor Mary Beth Heffernan's PPE Portrait Project involves creating wearable portraits of the health care workers who must wear PPE (personal protective equipment) when working with patients.<br /> (Photo by Marc Campos, Occidental College Photographer) Mary Beth Heffernan, professor of art and art history at Occidental College, works in Monrovia the capital of Liberia, Africa in 2015. Professor Heffernan was there to work on her PPE (personal protective equipment) Portrait Project, which helps health care workers and patients fighting the Ebola virus disease in West Africa.<br />
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