The WHO chief said that there was a need to tackle why people get sick and die.
“We owe it to all children to ensure they have access to the same health care and opportunities.’’
The ministers also pledged to sustainably and equitably address the threat of malaria in the African region.
It said that if countries could scale up coverage, 76 million deaths could be averted between 2023 and 2050.
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.
Under the Solidarity PLUS programme, the therapies – artesunate, imatinib and infliximab – will be tested on hospitalised COVID-19 patients in 52 countries.