Dengue Vaccine Reaches Phase III Clinical Trail, But Some Experts Question Efficacy

Deutsche Welle: Experts see flaws in promising dengue fever vaccine candidate
“The most advanced vaccine candidate against dengue fever could prevent many deaths, its developers say. But some experts warn that the substance could even make things worse rather than effectively treat it. … Sanofi Pasteur’s vaccine protects quite well against serotypes 3 and 4 with an efficacy of 75 percent. Protection against serotype 1 is 50 percent while against serotype 2 it is only 35 percent effective…” (Osterath, 7/16).