Although serologic evidence indicated additional human exposure during subsequent decades in parts of Africa and Asia, before the 2007 Yap Islands Zika virus outbreak, only 14 cases of human Zika virus disease had been documented.
Meskipun bukti serologis menunjukkan paparan tambahan selama dekade berikutnya di beberapa bagian Afrika dan Asia, sebelum 2007 Yap Kepulauan Zika wabah virus, hanya 14 kasus penyakit virus Zika manusia telah didokumentasikan.