Due to the dispersal of the Zika virus and its epidemic consequences with regional transmission in 24 countries in the Americas, and to the declaration of  Public Health Emergency of International Concern by WHO in 2015, the International Networks RETS and RINSP are promoting its 4th Rets Webinar. It will take place on July 12, 2018, at 9:30 am (Brasília time)  with live broadcast  at the website in portuguese and at Facebook with spanish translation.