Referensi:Â
1. https://www.jawapos.com/nasional/013726184/kemenkes-catatkan-3-anak-positif-kasus-lumpuh-layu-akutÂ
4. https://www.dpr.go.id/berita/detail/id/48286/t/Kasus%20Polio%20Kembali%20Munc ul,%20Netty%20Dorong%20Pemerintah%20Galakkan%20VaksinasiÂ