Table I.
COVID-19 alert level.
| Stage of outbreak | Description |
|---|---|
| Level 1 | COVID-19 is not present within the UK population |
| Level 2 | COVID-19 is present but the number of cases and transmission is low |
| Level 3 | COVID-19 epidemic is in general circulation |
| Level 4 | Transmission of COVID-19 is high and rising exponentially |
| Level 5 | Healthcare services are at risk of being over-burdened by COVID-19 |