An employee fumigates to fight against Zika, Dengue, and Chikungunya, in El Bosque sector of Chaco Township, Caracas, Venezuela, on Feb. 5, 2016. The United Nations Population Fund (UNFPA) said on Thursday it was closely monitoring the outbreak of the Zika virus and warning about its potentially adverse effects on the health of women and babies, particularly in Latin America. (Xinhua/Boris Vergara)