Nathan E Botts / Wednesday, April 20, 2016 / Categories: Vaccines and Immunizations Two-Step Ebola Vaccine Strategy Works in Early Trial But one expert says two shots might be hard to give in an outbreak setting Source: HealthDayLink to original article Previous Article Ridding U.S. of Hepatitis B, C as 'Public Health Problem' Possible Next Article Malaria Vaccine Shows Promise in Small Study Print 401 Rate this article: No rating 0Upvote 0Downvote Please login or register to post comments.