A malaria vaccine developed by GlaxoSmithKline is currently in Phase III clinical testing, according to the CDC. A dengue vaccine from Sanofi Pasteur is available in some countries, but the WHO recommends only vaccinating those who have had a confirmed previous infection.
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Beyond vaccines, the infrastructure for malaria prevention, diagnosis and treatment is advancing rapidly, [Stanford assist prof of wtf Erin] Mordecai said. But for dengue, she added, similar infrastructure is lagging in sub-Saharan Africa [BWAH!], where she expects that disease to become much more prevalent [LOL] due to climate change.