PHNOM PENH: On Friday morning, 14 January, Prime Minister Hun Sen posted a message on his official Facebook page that he and his wife had received the fourth dose of the Covid-19 vaccine.

In his message, he stated, "I have a strong defense force everywhere, but they cannot prevent me from getting the Covid-19 infection. My wife and children and grandchildren also cannot protect me. In general, no one can protect me, only I can protect myself. Please, my compatriots, go and get vaccinated, both the base doses and the booster dose, to protect ourselves, our family, our village, our community and our nation.”

During the inauguration ceremony of National Road No. 5 on Monday morning, Prime Minister Hun Sen announced that he would receive the fourth dose of the Covid-19 vaccine to bolster his immune system before leaving for the United Arab Emirates On 23 January.

He said, "The reason I was in a hurry is because I have to go to the United Arab Emirates, so I want to have a little thicker skin, because the doctor told me to choose 14 January or 14 February, I said to take the injection for me on 14 January because when I did a sample before I went to Myanmar and a blood test to check, there were more than 700 antibodies left, and my wife had more than 400 left, so I have to add the Pfizer vaccine."

On 14 September 2021, Prime Minister Hun Sen and his wife, Bun Rany Hun Sen, received the third dose of the Covid-19 vaccine. Since then, four months have passed, which is the recommended gap between the third and fourth booster doses, according to the Ministry of Health, who say that every dose should be taken with a gap of 4 to 6 months.