However a professor of immunology has questioned the claim
The claim comes as the number Of Coronavirus cases around the world has topped 17 million.
It’s now been exactly six months since the World Health Organisation declared the pandemic a global health emergency.
The United States still has the highest figure in the world with the numbers rising at their fastest rate in two months.
Russia say they will begin testing their vaccine soon
Professor Luke O’Neill from Trinity College is cautious about the claims: