The vaccine, named after the world's first satellite launched by the Soviet Union in 1957, will still undergo large-scale testing or Phase 3 clinical trial to assess its safety and efficacy.
In a statement, Oxford University said: "The ongoing randomised controlled clinical trials of the Oxford coronavirus vaccine ChAdOx1 nCoV-19 will resume across all United Kingdom clinical trial sites".
In the animal study trials results released last Friday, the company claimed that "the vaccine candidate was found to generate robust immune responses".
The nasal spray vaccination could generate double protection for vaccine recipients - influenza and the novel coronavirus if it also contains influenza viruses including H1N1, H3N2 and B, Yuen said, adding that it would take at least another year to finish the three clinical trials. But on Saturday, the university said it has been marked safe to continue.
Health Secretary Matt Hancock welcomed the restart, saying: "Good news for everyone the Oxford vaccine trials are back up and running".
The trials were paused on September 6 after a patient became ill.
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There are now no approved treatments or vaccines for COVID-19, the disease caused by the new coronavirus. Volunteers from some of the worst affected countries - Britain, Brazil, South Africa and the USA - are taking part in the trial.
The vaccine uses mRNA - the genetic messenger the body uses to make the DNA code into proteins - packaged inside a fatty capsule, called a lipid nanoparticle, that allows it to get into cells.
Clinical trials were also paused in July when a volunteer experienced neurological issues, AstraZeneca CEO Pascal Soriot told investors from J.P. Morgan Wednesday, according to STAT.
In January, Moderna started developing a vaccine for developing antibodies in the human body to fight the Covid-19 virus.
Khovaev said the DOST earlier committed 1,000 Filipino participants if the Phase 3 clinical trial of Sputnik V pushes through. The plan, pending successful trials, is for vulnerable persons and front-liners to be immediately vaccinated first, before offering it to the community.
Sputnik V Covid vaccine, which is developed by Gamaleya Research Institute of Epidemiology and Microbiology under the Russian Health Ministry, may be granted permission to release a batch of its vaccine for civilian use, the institute's deputy director for research, associate member of the Russian Academy of Sciences, Denis Logunov said earlier, according to a report.