Following the breakthroughs in the race to deliver a coronavirus vaccine reported by Pfizer-BioNTech and then Moderna, the University of Oxford expects to release data on the efficacy of its own candidate in the coming weeks, with the latest trial results published in The Lancet suggesting it produces a strong immune response in older adults.

Russia on Friday has published the results of the early trials of the locally developed coronavirus vaccine and said it appeared to be safe and to prompt an antibody response.