Manila, Jan. 20 -- 9 vaccines in the 92 least developed countries will not start before late March, health authorities said Tuesday.

While high and middle-income countries are already undergoing vaccination, the least developed poor countries have not been able to receive the vaccines, which were supposed to be distributed in the COVAX program's framework for equitable allocation.

World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus drew attention to the global inequality in access to vaccines in one of his recent addresses.

"Even as vaccines bring hope to some, they become another brick in the wall of inequality between the world's haves and have-nots," he said.

Noting that while 39 million doses have been admini...