A worker transports Sinopharm COVID-19 vaccines at the Phnom Penh International Airport in Phnom Penh, Cambodia, March 31, 2021. A special plane carrying a new batch of China-donated Sinopharm COVID-19 vaccines arrived in the capital of Cambodia Wednesday night, giving the country bigger possibility to inoculate its citizens against COVID-19.

Workers unload Sinopharm COVID-19 vaccines at the Phnom Penh International Airport in Phnom Penh, Cambodia, March 31, 2021. A special plane carrying a new batch of China-donated Sinopharm COVID-19 vaccines arrived in the capital of Cambodia Wednesday night, giving the country bigger possibility to inoculate its citizens against COVID-19.

Chinese Ambassador to Cambodia Wang Wentian (L) and Cambodian Deputy Prime Minister and Defense Minister Gen. Tea Banh attend the handover ceremony of Sinopharm COVID-19 vaccines at the Phnom Penh International Airport in Phnom Penh, Cambodia, March 31, 2021. A special plane carrying a new batch of China-donated Sinopharm COVID-19 vaccines arrived in the capital of Cambodia Wednesday night, giving the country bigger possibility to inoculate its citizens against COVID-19. (Photos: Xinhua)