With the hope of recovering mobility against Schengen countries, the EU will present its digital green past proposal on Wednesday.

The documents show that a person has been vaccinated against Covid 19 as well as details of any coronavirus tests.

But the idea does not have the support of the World Health Organization, the W.

H.

O s top emergencies experts.

Mike Ryan explains why we have to be exceptionally careful because right now we're dealing with a tremendously iniquitous situation in the world where the likelihood of you being offered are getting a vaccine is very much to do with the country.

You live in a very much to do with the level of wealth, the level of influence, uh, that you or your government has on global markets.

He reminded that the advises not to impose certification of vaccination as a requirement for international travel.

China has launched a digital covid 19 vaccination certificate for its citizens planning cross border travel.

They join other countries issuing similar documents as they seek ways to reopen their economies.

A few, including Bahrain, have already introduced certificates identifying vaccinated people.

The You agreed to develop vaccine passports under pressure from tourism dependent southern countries, Spain's Prime Minister Pedro Sanchez believes travel certificates would help get things moving again.

For some sectors like the tourism sector, it's essential.

I have to say that from the bilateral relations point of view and above all the European Council and the works at the European Commission is doing, there is the support for the Spanish government.

Obviously every European member state is very interested on developing this project as soon as possible, indicating that despite warnings of inequality, countries are pushing ahead with vaccine passes.