From 8 October anyone entering Italy after being in the UK at any time in the previous 14 days must take a covid-19 test. 1/4

Travellers can comply with this requirement in any of the following three ways:
http://1.By  taking a molecular or antigen swab test in the UK no more than 72 hours before entering Italy and showing airport officials proof of a negative result 2/4

By taking a molecular or antigen swab test at the airport upon arriving in Italy, if this service is available (airports offering the test include Rome Fiumicino and Milan Malpensa); 3/4

http://3.By  taking a molecular or antigen swab test within 48 hours of entering Italy at the local health office.
In this case the traveller must self-isolate at their address in Italy once they enter the country until they receive a negative test result. 4/4