Categories Uncategorized Vaccine Testing Phases Post author By cf Post date March 16, 2020 No Comments on Vaccine Testing Phases US researchers test the first experimental coronavirus vaccine Dr. John Brownstein, chief innovation officer at Boston Children’s Hospital, discusses the process of developing and testing the vaccine. ← 911 TP → Shelter in Place Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.