The second batch of 609,600 doses of the Johnshon & Johnson Covid-19 vaccine donated by the US touched down in Phnom Penh in the early hours of August 2.
Ministry of Health secretary of state York Sambath was on hand to receive the vaccines along with US embassy officials.
It is part of the total 1,060,100 doses the US has pledged to provide to Cambodia through the World Health Organisation-led Covax Facility. The first batch of 450,500 doses arrived on July 30.
Prime Minister Hun Sen said on August 1 that the Johnson & Johnson vaccines will be used for ethnic minority groups and migrant workers. He explained that the vaccine requires just a single shot, making it easy for the target group and medical workers alike.
The US embassy said on July 30 that the donation of vaccines reaffirmed the US' longstanding commitment to public health in Cambodia.