Nigeria has been hit by a surge in cholera cases in recent weeks, focused on the country's north and adding to a public health crisis accompanied by a rise in COVID-19 cases.

Coronavirus deaths in Africa rose rapidly over the past month, as fatalities surged by 80 percent within the last four weeks, the World Health Organization has said.

Africa was set to become one of the fastest growing regions for aviation over the next two decades. Now the industry is trying to recover from the pandemic.