Napoli announce that full-back Elseid Hysaj has tested positive for COVID-19 while on international duty with Albania.
The defender was meant to play against Belarus in the Nations League on Wednesday afternoon.
He has gone into self-isolation and will remain in Albania for the time being.
Napoli have already had experience of COVID-19 with Piotr Zielinski and Eljif Elmas last month.
Tiemoue Bakayoko is currently self-isolating, reportedly with a high fever, although he has so far tested negative for Coronavirus.