The death rate had been an average of 5,000 per day in July.
WHO had disclosed that about 150 vaccines for COVID-19 were under development globally.
This admission is coming on the heels of criticisms from experts.
The fund is expected to help Novavax start a final-stage study of its vaccine candidate.
Researchers plan to publish in a scientific journal next week, an open letter to WHO.
Since the commencement of the pandemic, there have been at least 523,011 deaths across the world.
The WHO boss had earlier warned that the worst is yet to come from the coronavirus pandemic.
WHO said some countries are experiencing a resurgence of coronavirus cases as the pandemic increases.
WHO and its key partners approximate that about $18.1 billion will be needed to execute the plan.
OPEC+ has not decided on whether to extend the record supply cut of 9.7 million barrels per day.