Inside Italy's coronavirus red zone

35-year-old schoolteacher Marzio Toniolo holds his phone showing a GPS map of all the roads that have been blocked in Codogno.

A chemist wears a protective mask as she waits for customers in a pharmacy in San Fiorano, one of the towns on lockdown due to a coronavirus outbreak, in this picture taken by schoolteacher Marzio Toniolo in San Fiorano

A security guard wearing a protective mask stands at the entrance of a large supermarket as a long line of residents queue with trollies waiting to enter.

An empty fish stand is seen in a supermarket in Codogno.

Medical workers, some in protective suits, stand by an ambulance in Codogno.

An empty street at night is seen in San Fiorano, one of the towns on lockdown due to a coronavirus outbreak.

Residents of San Fioranog gather in the centre of the town.

Chiara Zuddas writes 'Day three' on a calendar, marking the third day of lockdown in her hometown of San Fiorano.

Empty shelves are seen inside a shop in San Fiorano.

An empty playground in San Fiorano.

A man cleans an empty class room at the Bicocca University in Milan. Italian authorities have closed schools and universities in Lombardy and northern regions in order to prevent the spread of the highly infectious coronavirus.

Three boys wearing protective face masks sit outside a closed public building in San Fiorano.

University Chemistry professor Luca De Gioia records his lesson in an empty class room to stream it online for his students at the Bicocca University in Milan.

Primary school teacher Marzio Toniolo loads homework for his pupils onto the school website, as he tries to carry on teaching while schools are closed during lockdown.

A sign outside a closed off cemetery reads 'Attention: For health reasons, the cemetery will remain closed until a later date' in San Fiorano.

A lockdown resident wears a protective mask and gloves as he shops for food at a large supermarket in Codogno.

Two-year-old Bianca Toniolo sits by large bags of 300 euros worth of food, bought by her family to stock up on supplies for their home in San Fiorano.

A sign outside a mini supermarket reads 'Please enter with masks and gloves for the safety of everyone, thank you. Four people to enter at a time' in San Fiorano.

A protective mask has been put on the face of a statue of Italy's patron saint, St. Francis, in San Fiorano.

Journalists wearing protective face masks wait at the checkpoint by Casalpusterlengo, one of the towns on lockdown due to a coronavirus outbreak.

Residents of San Fiorano, one of the towns on lockdown due to a coronavirus outbreak, wear protective masks.

Schoolteacher Marzio Toniolo, 35, holds a thermometer at home in San Fiorano, one of the towns on lockdown due to a coronavirus outbreak.

Primary school teacher Marzio Toniolo, 35, took this picture of his pupils with their hands covering their faces by a Carabinieri military police car at the 'red zone' border of in San Fiorano.

Chiara Zuddas, 31, and her two year-old daughter Bianca Toniolo sit on a balcony at home in San Fiorano.

A man wearing a protective mask buys cigarettes from a a self-service tobacconist, next to a closed tobacco shop in Codogno.