The provincial government later on May 21 clarified that the inmate has since been transferred to Agassiz's medium-security Mountain Institution, and that Fraser Health public health teams are investigating and assisting at both facilities.
There are now 2,517 cases of COVID-19 in B.C., after health officials announced 10 new cases on Saturday, May 23.
Three new COVID-19 related deaths were also announced, those three new deaths come from the Fraser and Vancouver Coastal health regions and two were residents of long-term care homes.
Of the province's 310 active cases, 41 are hospitalized and eight are in critical care. In total there are 14 long-term care or assisted-living facilities and two acute-care units have outbreaks.
Of the total cases, Dr. Henry says there are now 303 that are active.
A new community outbreak has been identified at Matsqui Institution, a federal prison in Abbotsford, where one person has tested positive for the virus.
There have now been 2,517 people who have tested positive for the virus in B.C., and 157 people have died.
Meanwhile, the outbreak at the United Poultry processing plant in Vancouver has been declared over.
"And it has been a week where people have taken it slowly, but we need to remember, and these outbreaks remind us that gatherings of any kind increase the risk of transmission", she stresses, "And our public health surveillance needs to continue, and will continue to quickly identify new cases, and to find those they've been in contact with, and prevent transmission to others".
Dr. Bonnie Henry says British Columbians have been following social distancing guidelines as restaurants and businesses reopen.
Earlier this week, many businesses that had been closed due to the pandemic can "begin the process of safely reopening".
British Columbia has 18 new cases of COVID-19, for a total of 2,507 cases, statement on B.C.'s COVID-19 response, latest updates, Minister of Health Adrian Dix and provincial health officer Dr. Bonnie Henry said May 22. "I think things are going mostly really well", she said.
"This is our transition period, and we need to watch carefully and do it carefully".
This week the province entered the second phase of the restart plan to jump-start the economy. "We have made great strides to flatten our curve and we must continue to work together to keep it there".
She added restricting large gatherings has a two pronged benefit in the province's fight against COVID-19.
"Our individual circumstances are unique, but the actions we can take to protect each other and ourselves are the same".
CanSino coronavirus vaccine appears safe in first human trial
Many of them said they were concerned the vaccine would be riskier than the disease itself because development is moving so fast. So far, the U.S. government is supporting the development of 14 candidate vaccinations through its Operation Speed initiative.