The World Health Organization reports (15 November 2018) a risk of yellow fever in Republic of the Congo (Congo). The government of Republic of the Congo (Congo) requires proof of a yellow fever vaccination certificate for
- Transit without visa with a confirmed onward ticket for a flight to a third country on the same calendar day. Must stay in the international transit area of the airport and have documents required for the next destination.
U.S. policy on dual nationality can be found
Visa allows multiple entries.
Source cautions: "All visa applicants are strongly advised to submit their application and passport for visas at least two weeks prior to the intended date of departure."