| CI | Confidence interval |
| COVID-19 | Coronavirus disease 2019 |
| FDR | False discovery rate |
| IQR | Interquartile range |
| KCL | King’s College London |
| LFAT | Lateral flow antigen test |
| ONS | Office for National Statistics (UK) |
| PCR | Polymerase chain reaction |
| SARS-CoV-2 | Severe acute respiratory syndrome-related coronavirus 2 |
| UK | United Kingdom of Great Britain and Northern Ireland |
| USA | United States of America |
| WHO | World Health Organization |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.