9 August 2021. AstraZeneca vaccine for Covid-19 and other medical supplies have been delivered to the six Cambodia provinces bordering Thailand to be given as a third  booster jab for doctors and authorities confronted with returning Cambodian migrant workers.https://www.khmertimeskh.com/50911663/astrazeneca-as-emergency-booster-third-jab-for-frontliners/