The Opéra National de Paris has issued instructions to visitors to prevent the further outbreak of coronavirus.

The opera issued a statement noting “The Paris Opera wishes to inform audiences and visitors to the Opéra Bastille and the Palais Garnier that a number of public health measures aimed at limiting the propagation of the epidemic have been set in place in its theaters and would request that all respect the official guidelines posted in all public areas. As a precautionary measure, the Paris Opera also asks any theatergoer or visitor with flu-like symptoms (coughs, respiratory problems, fever, aches) to postpone their visit to the Paris Opera or at the very least wear a surgical mask, especially if they are coming from one of the high-risk zones.”

The company also announced that depending on the ticketholder’s situation, they will will be offered the opportunity to exchange their existing tickets or have the price of them refunded.

The announcement comes hours after the Metropolitan Opera issued a letter to its artists requesting a 14-day quarantine if they were arriving from a high risk area.

The coronavirus has affected the opera world with many houses including the Teatro alla Scala forced to close. It has also prevented performers from traveling to commitments and has les to numerous tours being canceled.