3 crew onboard Celebrity Silhouette had to leave the vessel after testing positive for the virus.
The liner (with passenger capacity 2902/lower berths) arrived in Liverpool on Monday, August 30, and is making her way over to Southampton England, where she is scheduled to arrive on Saturday, September 4.
Call ports of the 7-day, roundtrip from Southampton (which started on August 28) also include Belfast, Northern Ireland (September 2).
The company has confirmed that 3 crew were disembarked in Liverpool UK after testing positive.
The infected crew were "all asymptomatic and are spending the rest of their quarantine in isolation on shore."
Those who were in close contact with the positive were also moved into isolation and have tested negative for COVID.
All passengers aged 18+ must be fully vaccinated at least 14 days before sailing.
All crew are also required to be double vaccinated.
According to Celebrity Cruises' spokesperson, in consultation with local authorities, they had "disembarked three Celebrity Silhouette crew members in Liverpool, who tested positive for Covid."
"These crew members were all asymptomatic and are spending the rest of their quarantine in isolation on shore.
"In keeping with our enhanced health and safety measures, these individuals were isolated. Close contacts were also moved into isolation and all re-tested negative.
"Our top priority is to protect our guests and crew; for that reason, we maintain rigorous protocols."
For other Celebrity Silhouette accidents and incidents see the ship's CruiseMinus page.