A box of 200 mosquitoes did the vaccinating in this malaria trial. That's not a joke!

Volunteers for the trial put an arm over a box with hundreds of mosquitoes carrying a genetically modified malaria parasite. Here's why they did it that way — and why the trial holds promise.(Image credit: Annette M Seilie)
Source: NPR Health and Science - Category: Consumer Health News Authors: Source Type: news