A worker transports Chinese Sinovac COVID-19 vaccines at Phnom Penh International Airport in Phnom Penh, Cambodia, on June 26, 2021. A new batch of Sinovac COVID-19 vaccines arrived in Phnom Penh on Saturday. (Photos: Xinhua)

Workers unload Chinese Sinovac COVID-19 vaccines at Phnom Penh International Airport in Phnom Penh, Cambodia, on June 26, 2021. A new batch of Sinovac COVID-19 vaccines arrived in Phnom Penh on Saturday.

A worker transports Chinese Sinovac COVID-19 vaccines at Phnom Penh International Airport in Phnom Penh, Cambodia, on June 26, 2021. A new batch of Sinovac COVID-19 vaccines arrived in Phnom Penh on Saturday.