The downward trend in new cases among residents continued on Monday, with just four new cases reported.
Twelve residents were also reported to have recovered fully.
The patients being treated at the Princess Grace Hospital include 11 residents, three in intensive care.
The number of residents recovering at home with mild symptoms has almost halved in a week, with 53 now in this category.
Since the start of the outbreak earlier this year, 552 residents have contracted the virus and to date 462 have fully recovered.
In the meantime, 9,406 new cases were reported in France on Monday with 506 deaths, while in the UK the figures were 21,363 new cases and 213 deaths.