Home Not Zika Virus, Monsanto's Insecticide Pyriproxyfen Behind Rising Microcephaly Cases2 Not Zika Virus, Monsanto’s Insecticide Pyriproxyfen Behind Rising Microcephaly Cases2 by Prashanth Damarla 5 years ago5 years ago Not Zika Virus, Monsanto’s Insecticide Pyriproxyfen Behind Rising Microcephaly Cases Not Zika Virus, Monsanto’s Insecticide Pyriproxyfen Behind Rising Microcephaly Cases