Sanofi-Pasteur, the only corporate manufacturing the approved dengue vaccine, has received approvals in 14 countries. The countries where Dengvaxia has been approved include: Thailand, Indonesia, Mexico, Singapore, Phillipines, El Salvador, Brazil, Costa Rica, Guatemala, Peru, Paraguay, and Indonesia. A clinical study covering a population age 9+ revealed that the vaccine can prevent two-third of dengue cases arising from all four dengue serotypes, preventing 8/10 hospitalisations, and 93% serious dengue cases.
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