In April 2015, Brazilian researcher Gubbio Soares identified the Zika virus. The virus quickly spread to several countries, raising concerns due to its potential link to increased microcephaly cases. The World Health Organization warned of its explosive spread. Gubbio believes the virus will persist in Brazil due to the mosquito's vulnerability to cold temperatures. Without government action, the virus could spread further. Brazil, the most affected country, has declared war on the Aedes aegypti mosquito, especially with the Rio Olympics approaching.

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