http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Cells in the immune system called macrophages normally engulf and kill intruding bacteria, holding them inside a membrane-bound bag called a vacuole, where they kill and digest them. http://medicalxpress.com/news/2013-01-immune-cell-suicide-alarm-bacteria.html Immunology Thu, 24 Jan 2013 14:00:19 EST news278258363 Controversial research into the H5N1 virus, more commonly known as bird flu, is set to recommence, after it was delayed in 2011 following a request from the US government. http://medicalxpress.com/news/2013-01-bird-flu-lab-year-long-debate.html Diseases, Conditions, Syndromes Thu, 24 Jan 2013 08:36:40 EST news278238992 In a study published today in the Open Access journal PLOS Pathogens, researchers at Emory University have discovered a potentially important mechanism by which the Ebola virus alters and evades the immune response of its infected host. http://medicalxpress.com/news/2012-12-ebola-virus-protein-decoy-subvert.html Immunology Thu, 13 Dec 2012 17:23:30 EST news274641804 (HealthDay) -- The U.S. government is giving the go-ahead for publication of two controversial studies into the H5N1 avian (bird) flu virus, a top federal health official announced Friday. http://medicalxpress.com/news/2012-04-green-publish-controversial-bird-flu.html Medical research Mon, 23 Apr 2012 04:43:47 EST news254375006