Boris Johnson announces five tier coronavirus alert system
about 4 years in The guardian
System will mirror independent terror alerts, categorising threat level on scale of one to five
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Boris Johnson has announced a five-tier alert system to rank the threat from coronavirus – although experts said it was not immediately clear how independent or effective the scheme would be.
The current threat level of the pandemic will be categorised on a scale of one to five in different parts of the country, based on assessments by a new “joint biosecurity centre”. Continue reading...