The Ebola case detected in Nigeria is the Bundibugyo strain behind a major DR Congo outbreak, officials said Wednesday, marking the spread of the deadly disease to points across Africa.

Ebola disease from the fast-moving outbreak in Congo has now spread to four other countries, including two where it’s active. It has spread farther across Africa than any previous Ebola outbreak, reaching three regions.

For the first time, a joint guideline from the American Gastroenterological Association (AGA) and American Association for the Study of Liver Diseases (AASLD) evaluates newer medications for primary biliary cholangitis (PBC), the most common cholestatic disease in adults. Published in Gastroenterology and HEPATOLOGY, the guideline provides evidence-based recommendations for diagnosis and treatment.

Researchers have outlined a plan for slowing aging by targeting one of the body’s most important cellular communication systems. In a new paper published in Frontiers in Science, scientists describe how novel therapies that modulate GPCR signaling could one day help delay multiple age-related diseases at once—potentially extending healthy years of life.

Patient and consumer representatives advising U.S. Food and Drug Administration (FDA) expert panels might actually be a Trojan horse for the pharmaceutical industry, a new study says.