Zika Virus May Affect the Universal Two-Child Policy: A New Challenge for China.

Toward the end of 2015, China relaxed its more than three-decade-old one-child policy to address the problems of a rapidly aging population, now allowing all couples to have two children (the universal two-child policy) [1]. It is expected that China will witness a huge baby boom in the next few years [2]. However, the potential threat of Zika virus may affect the anticipated baby boom.