Army to Test Prototype COVID 19 Vaccine on Humans in September, After Mice Trial Army scientists plan to start testing new COVID 19 vaccines on humans as soon as this coming September Kris Osborn · April 22, 2020 Please leave this field emptyStay Updated with Warrior Maven Subscribe for daily military news and updates delivered straight to your inbox. We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.