May 28 (UPI) -- The British government began a new test and trace program on Thursday that's designed to keep the coronavirus disease from unnecessarily spreading.
The new program is intended to keep better track of the disease in Britain and mitigate the spread from people who may not know they have the virus.
Thursday's rollout was marred by some technical issues. Volunteers said they received "critical incident" messages on the website and some National Health Service workers said they weren't able to log in at all.
"As with all large scale operations, some staff initially encountered issues logging on to their systems," the Department of Health and Social Care said Thursday. "These issues are rapidly being resolved."
NHS Test and Trace Executive Chairwoman Dido Harding cautioned lawmakers the program probably wouldn't be completely operational until the end of June.
A doctor who helped set up Britain's first test and trace program in Sheffield said Wednesday that only about a third of patients it contacted agreed to self-isolate.