Vaccine against dengue ‘100% effective’ in test

An experimental vaccine against dengue, the world’s most common mosquito-borne virus, was 100% effective in early trials in Miami, and could speed up the pace of a vaccine against Zika, researchers said on 16 March.

Dengue, which is in the same family of flaviviruses as Zika — infects some 390 million people each year in more than 120 countries of the world.

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