Cameroon’s President Paul Biya’s month-long absence from the public eye is causing intense speculation about his health and raising fears of a post-Biya power struggle among political factions in the central African country.

Authorities have gone so far as to ban the media from discussing the health of Biya. Interior Minister Paul Atanga Nji told regional governors that discussing the president's health was a matter of national security, and that "any debate in the media about the president's condition is therefore strictly prohibited".

The expected return of Cameroon’s president Paul Biya to Yaoundé has not occurred. Financial markets are reacting to growing concerns about his health, while several key government figures have been called to Geneva.