The Zika virus is associated with rare birth defect microcephaly, but no causal connection has yet been established and anomalies keep cropping up. Though much of Latin America is plagued with the mosquito-borne Zika virus, the vast majority of the birth defects are found in Brazil. And a significant number of microcephaly cases are being found with patients that never had Zika.
A group of Argentinian doctors is arguing that the birth defects are not being caused by Zika at all but by a pesticide put in the water supply of the most affected areas to kill mosquito larva. [Read more…]