LISBON—The popular Portuguese islands of Madeira will allow entry to visitors with any of the COVID-19 jabs being administered worldwide and not only with those approved by Europe’s drug regulator, the regional government said on Sunday. The European Union, which launched its digital COVID-19 certificate last week, has so far authorized only four vaccines—those of Pfizer and BioNTech, Moderna, AstraZeneca, and Johnson & Johnson. The certificate allows citizens to travel more freely across the bloc if they have been fully vaccinated with one of the four approved shots, received a recent negative test result, or have immunity due to recent recovery. Member states can decide to extend the certificate to European travelers vaccinated with other shots. Mainland Portugal only accepts the four vaccines, but Madeira, an autonomous region popular for its wine and green landscape, said those who received other shots, such as those of China’s Sinovac or India’s Covaxin, …