Figure 1. Percentage of pregnant women reporting exposure to 4 Zika prevention interventions, by interview month, Puerto Rico, 2016–2017. August 12, 2016: President declares Zika in Puerto Rico a “public health emergency” (https://www.reuters.com/article/us-health-zika-usa/u-s-declares-a-zika-public-health-emergency-in-puerto-rico-idUSKCN10N2KA). September 30, 2016: Free residential spraying discontinued. Women who report the offer through December are referring to receiving the offer before September. October 28, 2016: First baby born with microcephaly in Puerto Rico (https://www.nytimes.com/2016/10/29/health/zika-microcephaly-puerto-rico.html). June 5, 2017: Zika epidemic declared over by Puerto Rico Department of Health (https://www.businesswire.com/news/home/20170605006235/en/Puerto-Rico-Department-Health-Declared-2016-Zika). WIC, Women, Infants, and Children Program (US Department of Agriculture Food and Nutrition Service).