The COVID-19 Close Contact Tool, which is now in use, requires people who have tested positive to enter information, including phone numbers of known close contacts.According to Alberta Health Services, the information will be reviewed by the contact tracing team and a text message will be sent to all close contacts provided.The text message will let close contacts know of their exposure and include information on 14-day isolation, testing options, symptoms and supports available, AHS officials said.“This process will be completely anonymous — the name of the positive case will not be disclosed in the text message,” Alberta’s chief medical officer of health Dr.