On March 15th, 2016 the Inter-American Dialogue and the O’Neill Institute for National and Global Health Law sponsored a symposium on Capitol Hill on the Zika crisis and its implications for US policy. The event was co-hosted by Congresswoman Susan Brooks (R-IN), Congressman Joaquin Castro (D-TX), Congresswoman Katherine Clark (D-MA), Congressman Eliot Engel (D-NY), Congresswoman Louise Slaughter (D-NY) and Congresswoman Debbie Wasserman Schultz (D-FL). After remarks by four of the co-hosts, presentations were made by Jeffrey Crowley, director of the O’Neill Institute’s National HIV/AIDS Initiative; Jacqueline Pitanguy, founding director of CEPIA in Rio de Janeiro; and Daniel Lucey, adjunct professor of microbiology and immunology at Georgetown University Medical Center. Peter Hakim, Dialogue senior fellow and president emeritus, moderated the event.