The Russian government will consider developing and distributing new documents for those who have been vaccinated against coronavirus, in an effort to cut risks associated with international travel.
A few companies within the Covid-19 Credentials Initiative are also developing a smart card that strikes a middle ground between the traditional paper vaccine certificates and an online version that's easier to store and reproduce.
The clearance is a major step in efforts to tame the disease in a region that is fighting a deadly winter surge, as the bloc also tries to keep out a new mutation of the coronavirus found in Europe.
Tougher restrictions, which cover London, as well as much of southeastern and eastern England, are a response to a variant that appears to be significantly more contagious than earlier ones.
The UK’s medicines and healthcare regulator has urged people with a history of ‘significant’ allergic reactions not to opt for the Pfizer vaccine, after two NHS medics, vaccinated on Tuesday, experienced severe reactions.