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The latest round of testing took the total number of positives up to 14 as Ollivon was joined by Brice Dulin, Cyril Baille, Romain Taofifenua and Peato Mauvaka.
It was only on Sunday that Julien Marchand and Arthur Vincent were found to have contracted the virus, with the first reported case coming last Tuesday.
Prop Mohamed Haouas, wing Gabin Villiere and scrum-half Antoine Dupont are in the same boat, along with head coach Fabien Galthie, assistant Karim Ghezal, forwards coach William Servat and an unnamed member of the support staff.
Les Bleus, who top the table after wins over Italy and Ireland, revealed five more players had been called up on Monday for a game in Paris that may well have to be postponed.
Uncapped trio Gaetan Barlot, Thierry Paiva and Cyril Cazeaux have been drafted in, with Baptiste Pesenti and Thomas Ramos also getting the call.
A statement from the French Rugby Federation said the intention is to return to group training on Wednesday, though further testing would take place every day.