New Russian vaccine candidate shows promise against the Bundibugyo Ebola strain

Monday 27 July 2026 - 14:30

By: Azzat Manal

New Russian vaccine candidate shows promise against the Bundibugyo Ebola strain

A new Russian vaccine candidate could offer protection against the Bundibugyo strain of the Ebola virus, according to Denis Logunov, director of the Gamaleya National Research Center for Epidemiology and Microbiology.

The research center has developed preliminary vaccine candidates designed to trigger an immune response against the strain, which has been associated with Ebola outbreaks in Africa. According to Logunov, early laboratory studies using alternative viral models have shown encouraging signs of immune activation and potential protective effects.

Researchers are using modified viral systems as part of the initial assessment process. These models are intended to reproduce key characteristics of the virus while allowing scientists to evaluate the vaccine's potential before moving toward further stages of research.

However, the development process remains at an early stage. Logunov said additional work would depend on determining the need for a vaccine and obtaining access to samples of the strain currently circulating in Africa. He added that the research center would be prepared to continue its work if there is sufficient interest and cooperation from African health authorities.

Andrei Brodius, a senior pediatric allergy and immunology specialist at the Moscow regional health ministry, explained that researchers can use laboratory-created substitute viruses to study how a vaccine might respond to a pathogen that is difficult to investigate directly.

The announcement comes as health experts continue to monitor Ebola outbreaks and strengthen efforts to develop vaccines and treatments for different Ebola virus strains. While some vaccines are already available for certain Ebola strains, the development of effective protection against less common variants remains an important challenge for global public health.

The Bundibugyo strain has been identified as a particular concern in parts of Africa, highlighting the need for continued international research, surveillance and cooperation. Further studies will be necessary to determine whether the Russian vaccine candidate can provide effective protection and whether it could eventually progress to clinical testing and wider use.