The provinces and cities include: Hanoi, Hai Duong, Can Tho, Ha Nam, Ninh Binh, Quang Ninh, Lang Son, Lao Cai, Dien Bien, Da Nang, Khanh Hoa, Ho Chi Minh City, Ba Ria - Vung Tau, Dong Nai, Tien Giang, Long An, Tay Ninh, Soc Trang, An Giang, Vinh Long, Dong Thap, Binh Duong, Binh Phuoc, Kien Giang, Ca Mau, Bac Lieu and Hau Giang.
More than two million children in 27 provinces and cities have been vaccinated with their first dose of vaccine, with nearly 6,000 children having received two doses. Coverage of at least one dose of vaccine is more than 22% of the population aged 12 to 17 years.