In Zimbabwe and other African nations, the virus's resurgence is threatening the survival of millions. The United Nations says about 9 in 10 of the world's extremely poor live in Africa.
Libya's plans to hold national elections are in doubt as the country breaks down into regions controlled by local faction leaders — including the son of the former dictator.
Researchers in South Africa have found that people infected with omicron, on average, are less likely to end up in the hospital. But the variant may act differently here in the U.S.
He and his team were stunned by the number of mutations. They felt they'd made a contribution by alerting the world to a dangerous variant. Then came the travel bans for residents of southern Africa.
Data from 78,000 South Africans with COVID show the Pfizer vaccine is far less effective in preventing infection by the omicron variant. But there is still significant protection from severe illness.
The White House is concerned migrants will be increasingly used as a geopolitical tool as migration increases because of instability and climate change.