4 September 2021. Cambodia’s vaccination campaign to build herd immunity among 1,966,931 adolescents in the 12 to 17 age group is chugging along with a total of 1,620,155 vaccinated since the campaign on August 1 this year. https://www.khmertimeskh.com/50929066/cambodia-successfully-vaccinates-1620155-or-82-37-percent-of-targeted-adolescents-aged-12-to-17/