Workers queue as they arrive to have their Green Pass checked as the health pass becomes mandatory in the workplaces across Italy, at La Rinascente mall, in Rome, Italy, October 15, 2021.

A person has his Green Pass checked as the health pass becomes mandatory in the workplaces across Italy, at La Rinascente mall, in Rome, Italy, October 15, 2021.

People participate in a protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace as they gather outside the entrance of the major port of Trieste, Italy, October 15, 2021.

A worker shows his Green Pass as he and others they arrive for their shift at the public registry office as the health pass becomes mandatory in the workplaces across Italy, in Rome, Italy, October 15, 2021.

A demonstrator holds a banner during a protest against the government's introduction of the "Green Pass" as the health pass becomes mandatory in the workplaces across Italy, in Rome, Italy, October 15, 2021. The banner reads "Green Pass and state of emergency = dictatorship".

A water cannon drives through Via del Corso, as demonstrators protest against the government's introduction of the "Green Pass", in Rome, Italy, October 9, 2021.

An employee at an optician shop shows her COVID-19 "Green Pass" a day before it becomes obligatory for all workers either to show proof of vaccination, a negative test or recent recovery from infection to access their workplaces, in Rome, Italy, October 14, 2021.

Port workers gather outside the entrance to protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace, in Genoa, Italy, October 15, 2021.

Police officers line up as demonstrators protest against the government's introduction of the "Green Pass" near Chigi Palace in Rome, Italy, October 9, 2021.

An employee at a cafe shows her COVID-19 "Green Pass" a day before it becomes obligatory for all workers either to show proof of vaccination, a negative test or recent recovery from infection to access their workplaces, in Rome, Italy, October 14, 2021.

Port workers gather outside the entrance of the major port of Trieste to protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace, in Trieste, Italy, October 15, 2021.

People carry banners as they participate in a protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace as they gather outside the entrance of the major port of Trieste, Italy, October 15, 2021.

A person holds a banner as anti-vaccine protesters gather to protest against the Green Pass becoming mandatory in the workplace, in Rome, Italy, October 15, 2021. The banner reads: "Freedom".

Port workers gather outside the entrance of the major port of Trieste to protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace, in Trieste, Italy, October 15, 2021.

Port workers gather outside the entrance to protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace, in Genoa, Italy, October 15, 2021.

Port workers gather outside the entrance to protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace, in Genoa, Italy, October 15, 2021.

Scooters and other objects are laid down on Via del Corso street during a protest against the government's introduction of the "Green Pass" in Rome, Italy, October 9, 2021.

People hold placards as anti-vaccine protesters gather to protest against the Green Pass becoming mandatory in the workplace, in Rome, Italy, October 15, 2021.

A person takes a selfie as port workers gather outside the entrance of the major port of Trieste to protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace, in Trieste, Italy, October 15, 2021.

People carry a sign as port workers gather outside the entrance of the major port of Trieste to protest against the implementation of the COVID-19 health pass, the Green Pass, in the workplace, in Trieste, Italy, October 15, 2021.