Seven residents tested positive for coronavirus in the 24 hours to Wednesday evening while five recovered.
Of five residents undergoing treatment at the Princess Grace Hospital, two are in intensive care.
Thirty-one residents with mild symptoms are recovering at home under the supervision of the Home Monitoring Centre.
Meanwhile, in France 13,713 new cases were reported and 491 new deaths, including 377 in hospitals. In the UK the figures were 16,578 new cases and 533 new deaths.
