<P> Peru On 16 April, Peru reports its first case of sexual transmission (and its seventh overall) after a resident infected his wife after contracting the disease in Venezuela . </P> <P> United States On 29 April, the CDC confirms the first Zika - related death in the US occurred in February 2016 . Zika first appeared in Puerto Rico in December 2015 . </P> <P> United States On 13 May 2016, the CDC begins to recommend testing urine for clues to Zika infection . </P> <P> Belize On 16 May, Belize confirms its first case of Zika infection . </P>

When did the zika virus start in the us