The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
https://urldefense.com/v3/__https:/www.waikatodhb.health.nz/your-health/covid-19-in-waikato/cbac/__;!!AuqdxLo!yqYqBRE0fzV3HCKjYXPSzB-pMAEAKqUSr_tc5QLkOc8Fsdw9lqSXg4l9BzZ2SxKQpF0X_Rah$