Variant Under Investigation VUI-21OCT-01 detected in Northern Ireland
The Public Health Agency (PHA) has confirmed that 125 cases of the COVID-19 Variant Under Investigation VUI-21OCT-01 also known as AY.4.2 and ‘Delta plus’, have been detected in Northern Ireland (confirmed and probable cases as of 27 October 2021). The new strain, which is a mutation of the existing Delta variant, has been found in at least 42 countries, according to a WHO epidemiological update, including other jurisdictions in the UK, the Republic of Ireland, India and the United States. The UK Health Security Agency (UKHSA), formerly Public Health England, has designated it a "Variant Under