The spreading coronavirus epidemic shut down France's Louvre Museum on Sunday, with workers who guard its trove of artworks fearful of being contaminated by the museum's flow of visitors from around the world.

“We are very worried because we have visitors from everywhere,” said Andre Sacristin, a Louvre employee and union representative for its staffers.

“The risk is very, very, very great," he said in a phone interview. While there are no known virus infections among the museum's 2,300 workers, “it’s only a question of time,” he said.

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Tourists, some wearing a mask, queue to enter the Louvre museum Friday, Feb. 28, 2020 in Paris. The world is scrambling to get on top of the new coronavirus outbreak that has spread from its epicenter in China to most corners of the planet. (AP Photo/Rafael Yaghobzadeh)

A short statement from the Louvre said a staff meeting about virus prevention efforts stopped the museum from opening as scheduled Sunday morning. On Sunday afternoon, would-be visitors were still waiting to get inside.

The shutdown followed a government decision Saturday to ban indoor public gatherings of more than 5,000 people. Sacristin said the new measure exacerbated the fears of Louvre workers that they might be in danger of contamination, because the museum welcomes tens of thousands of visitors each day.

Also worrying staffers is that museum workers from northern Italy are now visiting the Louvre. They have come to collect works by Leonardo da Vinci that were loaned for a major exhibition, he said.

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A meeting with the museum management is scheduled for Monday. Sacristin, who will be taking part, said museum visitors should be subjected to health checks and that “if there are cases, then the museum should be closed."