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Habitat for Humanity Brazil launched an outdoor campaign that turned posters into dissolvable, mosquito larvae killing machines. Just add water, or rain, which Brazil has plenty of. The country also has significant outbreaks of the mosquito-transmitted Chikungunya virus, Zika virus and Dengue fever.
Created by BETC Sao Paulo, the posters are placed throughout highly-populated areas and appear to be simple PSA posters at first glance. Messaging offers ways to prevent the contraction of mosquito-born viruses. The posters are printed on soluble rice paper sheets that contain a larvicide affixed with organic glue.