The Fiji Rugby Union confirmed that all players underwent a coronavirus test after arriving at their camp in Limoges, in southwest-central France.
Three members of the Flying Fijians entourage tested positive for early Covid symptoms and are now in isolation.
Three other players are in isolation at their homes in accordance with French government and club protocols.
In a statement, the FRU said none of the affected squad members are showing any Covid-19 symptoms as they await the second round of testing and are being monitored daily.
