The results were astounding: Everyone in the vaccine group acquired immunity to malaria; everyone in a non-vaccinated comparison group did not, and developed malaria when exposed to the parasites later.
The study was only a small proof-of-principle test, and its approach is not practical on a large scale. However, it shows that scientists may finally be on the right track to developing an effective vaccine against one of mankind’s top killers. A vaccine that uses modified live parasites just entered human testing.
“Malaria vaccines are moving from the laboratory into the real world,” Dr. Carlos Campbell wrote in an editorial accompanying the study in Thursday’s New England Journal of Medicine. He works for PATH, the Program for Appropriate Technology in Health, a Seattle-based global health foundation. [ … ]
» Read more: Mosquitoes deliver malaria ‘vaccine’ through bites

