As Inter's Serie A match on Sunday along with two other matches of the same league was postponed due to measures taken against the spread of Corona Virus, Ludogorets appeal to Inter and UEFA to provide swift clarification.
Bulgarian champions Ludogorets have demanded assurances from Inter and UEFA concerning the recent Italy's coronavirus outbreak before travelling to Milan for Thursday's Europa League match against Inter.
Christian Eriksen and Romelu Lukaku were the scorers for Inter as they beat Ludogorets 2-0 in the first leg in Bulgaria, , but reports have already suggested the San Siro return match could be played behind closed doors.
Inter's game against Sampdoria on Sunday was postponed due to Corona Virus spread concerns, with Italian prime minister Giuseppe Conte confirming that the fixture was one of the three fixtures that would not be held.
After the deaths of two people and confirmation that dozens have already tested positive, Italy's officials have taken strict measures against the virus, which is officially named Covid-19.
In a statement issued on Sunday, Ludogorets expressed their concern and appealed to Inter and UEFA to provide swift clarification.
The statement said: "FC Ludogorets have formally asked UEFA and FC Inter about the situation in the Italian region of Lombardy, whose capital is Milan. Coronavirus-infected cases have been reported there in recent days.
"More than 600 supporters of the Bulgarian champions are expected to support their favourites at the San Siro on Thursday (February 27) in the rematch of the 1/16 finals of the Europa League.
"Many of them have already purchased plane tickets, and there is organised bus travel from Bulgaria to Italy.
"Ludogorets expect an official statement from the European headquarters and a quick explanation from Inter about the situation in the city. If received, the club will immediately notify supporters of the situation in Milan by a message on its official website.
"PFC Ludogorets will liaise with Bulgarian diplomatic authorities on the situation in Italy."