It is not a joint effort with the World Health Organization because the US funded the research, which creates issues with global funding, how to collaborate, and who gets credit when a biotech team from Canada but the US funded the research.
The vaccine, which has been licensed to Merck, was created by specialists at the Public Health Agency of Canada. In Phase 1 clinical trials, rVSV-ZEBOV was assessed by NIAID and the Walter Reed Army Institute of Research (WRAIR). The results demonstrated that rVSV-ZEBOV is safe and capable of inducing a strong immune response in recipients.
A vaccine was quickly introduced to clinical trial in the field following the Ebola outbreak in West Africa in 2014–2015. But the creation of an Ebola vaccine required significant scientific work from Canada and international cooperation over the course of nearly two decades.
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