Photo taken on Aug. 16, 2021 shows a sign on a restaurant door informing that only people vaccinated against COVID-19 can enter the restaurant in Skopje, North Macedonia. (Photo by Tomislav Georgiev/Xinhua)
A restaurant worker scans the QR code to check up the document confirming that the visitor has been vaccinated against COVID-19 in Skopje, North Macedonia, Aug. 16, 2021. (Photo by Tomislav Georgiev/Xinhua)
People wait in line for restaurant workers to check up the document confirming that the visitor has been vaccinated against COVID-19 in Skopje, North Macedonia, Aug. 16, 2021. (Photo by Tomislav Georgiev/Xinhua)
People wait in line for restaurant workers to check up the document confirming that the visitor has been vaccinated against COVID-19 in Skopje, North Macedonia, Aug. 16, 2021. (Photo by Tomislav Georgiev/Xinhua)