BOSTON—Teams of student entrepreneurs focused on stabilizing vaccines to allow safer and more reliable distribution worldwide, and streamlining the transition of patients from the hospital to post-acute care facilities, took first place at the Harvard Business School (HBS) Business Plan Contest held Tuesday (April 24) in Burden Auditorium. This year marked the 16th anniversary of the for-profit Business Venture Track and the 12th year of the Social Venture Track, which focuses on creating social value…