The disease symptoms include fever, sore throat, headache, vomiting, muscle pain, and in severe cases, bleeding from body openings.
Mr Ghebreyesus said he also had the opportunity to meet with the UN Country Team.
Home to more than 1.2 billion people, so far, just two countries in Africa have reached the 40 per cent target, the lowest of any region.
“The meeting is of a single-item agenda, which will discuss the delivery of the COVID-19 vaccines.”
Mr. Bello had kicked against the COVID-19 vaccination, saying it was meant to kill people.
