As part of its attempts to conceal the scale of the problem, Putin's Kremlin has stopped providing official data to the World Health Organisation. However, recent reports in the country's state media suggest that there are over 1.25 million people infected with the virus - roughly one in a hundred Russians.

Vladimir Putin insists he's in good health following a medical examination despite speculation about bruised hands and his physical condition.

The U.S.’s latest efforts to end the conflict between Ukraine and Russia have jolted the trans-Atlantic alliance.