The pandemic has grown to more than 10 million cases and has caused over 500,000 deaths across the world.
Americas continue to lead the count with over 5.2 million cases, followed by Europe with more than 2.7 million.
According to the WHO's daily statistical bulletin, a total of 179,316 new cases were reported over the past day, a slight rise from the 177,012 new positive tests reported on Friday.
The British drugmaker has already begun large-scale, mid-stage human trials of the vaccine, which was developed by researchers at University of Oxford.
The fresh daily situation report estimates the number of infections confirmed in the past 24 hours at 177,012. Further, 5,116 virus-related deaths were reported over the same period, taking the toll to 484,249.
Over the past 24 hours, 3,847 people died from COVID-19 worldwide, taking the cumulative death toll to 469,587 fatalities, according to the report.
Over the past 24 hours, 3,255 people died from COVID-19 worldwide, down from 3,911 the day before, taking the death toll to 434,796.
The cumulative global toll of confirmed cases has increased by 132,581 over the past day to 7,823,289, according to the WHO.
Over the past 24 hours, 4,281 people died from COVID-19 worldwide, down from 5,055 the day before, taking the death toll to 427,630.
The UN health agency said in the situation report published on late Thursday that 128,419 new cases had been recorded in the past day, while further 5,347 patients had died.