There were 55 test-positive cases for a total of 1,121 in the province on April 2.
The number of COVID-19 patients being treated in hospitals on Thursday was 139, of which 68 were in critical care.
"This is not the time to travel", she said. "But we can't take our foot off the pedal yet".
Henry said all the passengers from the ships who come to Canada will be required to self-isolate for 14 days, and B.C. health officials will be taking additional screening efforts because of the high risk of infection aboard the ships.
The provincial health officer said she is recommending British Columbians avoid all unnecessary travel, both within B.C. and outside of the province.
"We know people are travelling to vacation homes and cabins", Henry said. "I am asking people to forgo those trips".
These include the isolation of the test-positive inmate and the continued monitoring of inmates who were in his pod.
Henry also announced there are now a total of 21 long-term care homes with outbreaks of COVID-19 in B.C. That number is up from 19 on Tuesday, but Henry said the increase reflects the aggressive testing that's being done in those facilities.
641 people have now recovered in BC from the novel coronavirus. Many of those who have died in the province have been residents of such facilities.
The province-wide breakdown shows 525 cases in the Vancouver Coastal Health region, 386 in the Fraser Health region, 72 on Vancouver Island, 121 in the Interior Health region and 17 in the north.
"The Corrections team from PHSA and Interior Health are working on this, even as we speak", Henry says.
"This is, of course, something that we have been concerned about and planning for", said Henry.
On a more sombre tone, Henry said in addition to an overall ethics framework for COVID-19 now posted on the province's website (gov.bc.ca), a framework for allocation of scarce resources, such as ventilators, is in the final phases of completion.