PHNOM PENH — A new batch of 3 million doses of China’s Sinovac COVID-19 vaccine arrived in Phnom Penh, capital of Cambodia on Thursday, giving another boost to the kingdom’s vaccination drive.

Speaking to reporters while receiving the vaccines at the airport, health ministry’s secretary of state Yok Sambath said the vaccines were purchased from Chinese biopharmaceutical firm Sinovac Biotech.…