According to an official source from the Director General for Health (DGS), and recommendations from the European Medicines Agency, all Portuguese residents living abroad who wish to enter Portugal can only enter the country providing they present presenting proof of vaccination against Covid-19 with one of the four vaccines approved by the European Commission -BioNTech-Pfizer, Moderna, AstraZeneca and Janssen, or by presenting a negative PCR test or proof of recovery.