As many as 93 million people in Latin America and the Caribbean, including 1.6 million childbearing women, could get the Zika virus over the next few years, according to a new startling study.

The study from the University of Notre Dame released Monday noted that the projections are a worst-case scenario. The study comes as federal and local officials are investigating what could be the first mosquito-borne cases of Zika in the U.S.