A vaccine against hepatitis E (HEV) provided protection against the virus for more than 4 years, researchers reported. In a randomized clinical trial, volunteers getting the HEV vaccine (Hecolin) were significantly less likely to acquire the virus than those getting a control hepatitis B vaccine, according to Ning‑Shao Xia of Xiamen University in Xiamen, China, and colleagues. Read more: medpagetoday.com/Gastroente...