COVID-19 in Northern Ireland: Vaccination Status of Deaths and Hospitalisations — Updated to Include Weeks 51 to 2 (20th December 2021 to 16th January 2022)

“Methods: … A person is deemed vaccinated if the date of vaccination is greater than or equal to 14 days before date of admission, or for deaths, if the date of vaccination is greater than or equal to 14 days before date of specimen.”