Kinshasa is the largest French-speaking city in the world with a population of just over 17 million.
"Kin Elenda will help change the daily lives of the people of Kinshasa through the investments it will make throughout the city," said Jean-Christophe Carret, the World Bank's country director.
The outbreak was contained using Merck's Ebola vaccine, which was given to more than 1,600 of the patients' contacts and contacts of contacts, the aid group Medecins Sans Frontieres (MSF), said.
The latest flare-up emerged on Feb. 3 in the city of Butembo with the death of a woman whose husband had contracted the virus in the previous outbreak.
A government statement late on Tuesday said a task force had determined that the AstraZeneca vaccines already available in the country presented no risks to the population.