The Dengue Vaccine Initiative (DVI) has welcomed new clinical trial results that reveal progress in developing the first-ever dengue vaccine. In a publication in The Lancet, pharmaceutical company Sanofi Pasteur, a unit of French drug major Sanofi (Euronext: SAN), reported results from the first study conducted to evaluate the efficacy of any dengue vaccine candidate against clinical dengue disease in a population naturally exposed to dengue.
The Lancet published first efficacy results of Sanofi Pasteur's dengue vaccine candidate showing efficacy against 61.2% of dengue virus type 1, 81.9% against type 3 and 90% against type 4. However, the data also showed that the vaccine lacks protection against serotype 2 in the epidemiological context of Thailand.
Still much work to be done
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