The European Union and Schengen countries accept different varieties of vaccinations because of Covid-19 certificates, which are an essential step toward vaccine safety in today's world. The governments of France, Spain, and Italy are open to visitors from Mexico who have the proper documentation. The majority of European countries have taken action, and each country has established its own set of restrictions and limitations. The introduction of the EU Digital COVID certificate took place in 2020. (EUDCC).