 On 17 September 2015, following completion of the acquisition by IAG, the company's shares were withdrawn from the Irish Stock Exchange and the London Stock Exchange.On 25 February 2020, Aer Lingus noted it had been advised by the Department of Foreign Affairs that travel restrictions were being placed on several Italian towns within Italy's Lombardy region as a result of an outbreak of Coronavirus there, however stated all flights would continue to operate, further advising all flights operated would continue to comply with guidelines locally from the HSE as well as from the WHO and EASA.On 28 February, Aer Lingus had been informed that a passenger had travelled with COVID-19 on a service from Milan-Linate to Dublin and that it was cooperating fully with the HSE and Department for Foreign Affairs.