In this story UTMB’s Nikos Vasilakis comments on human challenge vaccine research projects where healthy people agree to be deliberately infected during research efforts to find new or improved vaccines against a variety of health threats. According to Vasilakis this kind of study is the closest to what may happen in natural infection. This news also reported at CTV News, New Delhi Times, Jackson Hole News, Texarkana Gazette, Idaho Press-Tribune, Albany Democrat-Herald, Rapid City Journal, The Billings Gazette, The San Diego Union-Tribune, The Japan Times, Medical Xpress and The Atlanta Journal-Constitution.