Table 1. Definition of a (first) SARS-CoV-2 infection in CoMMinS versus SIS-1.
| CoMMinS | SIS-1 | |
|---|---|---|
| Survey data | Date of:• a positive research SARS-CoV-2 infection PCR test • SARS-CoV-2 anti-NP antibody conversion from negative to positive1 • a positive SARS-CoV-2 anti-NP antibody assay1 • a self-reported SARS-CoV-2 infection |
Date of:• a positive research SARS-CoV-2 infection PCR test • SARS-CoV-2 anti-NP antibody conversion from negative to positive1 • a positive SARS-CoV-2 anti-NP antibody assay1 • a self-reported SARS-CoV-2 infection |
| Linked EHR data | Date of: • BNSSG SWD primary care attributes data table: a confirmed SARS-CoV-2 infection or SARS-CoV-2 diagnosis code • SGSS: a positive SARS-CoV-2 infection PCR test • SUS: a confirmed SARS-CoV-2 infection or SARS-CoV-2 diagnosis code |
Date of: • GDPPR: a confirmed SARS-CoV-2 infection or SARS-CoV-2 diagnosis code • SGSS: a positive SARS-CoV-2 infection PCR test • HES: a confirmed SARS-CoV-2 infection or SARS-CoV-2 diagnosis code |
PCR: Polymerase Chain Reaction; anti-NP: anti-nucleoprotein; BNSSG SWD: Bristol, North Somerset, and South Gloucestershire System Wide Dataset; SGSS: Second Generation Surveillance System; GDPPR: COVID-19 General Practice Extraction Service (GPES) Data for Pandemic Planning and Research. 1Only if prior to first vaccine dose, i.e., reflecting natural infection rather than vaccine-derived immunity.