The financial and political commitments were made by representatives from over 20 countries attending the Global Pandemic Preparedness Summit.
It is the latest award in CEPI's $200m all-encompassing coronavirus vaccine programme.
Industry has stepped forward to commit its expertise and resources to work towards developing vaccines in 100 days.
This investment comes as the world strives to end COVID-19 and better prepare for future threats.
The announcement comes ahead of the UK Government hosting the Global Pandemic Preparedness Summit.
CEPI will provide up to US $8.7 million (AU $12.3million) to support the trial, led by the Murdoch Children’s Research Institute (MCRI), Australia, with support from PATH.
CEPI will provide funding of up to $12.5m to support the development of multi-epitope, nanoparticle-based vaccine candidates and advance the manufacturing process.