So far, 20 provinces and cities have gone 14 days wiouth any new local infections including Yen Bai, Quang Ngai, Quang Ninh, Quang Tri, Thua Thien-Hue, Tuyen Quang, Son La, Ninh Binh, Thanh Hoa, Thai Nguyen, Hung Yen, Hai Phong, Tay Ninh, Gia Lai, Bac Lieu, Dien Bien, Dak Lak, Dong Thap, Thai Binh and Vinh Phuc.