QCovid algorithm

Patients will first review results with their clinician and for any further clarification can refer to the guidance pages.

The team used the QResearch database (version 46) of 12 million patients with personal, clinical, and drug data that have been used for clinical and drug safety research. QResearch is linked to multiple datasets at the individual patient level. For this analysis, we used the National Immunisation Database of Covid-19 vaccinations to identify data on vaccine date and doses for all people vaccinated in England. For hospital admissions, we used the linked Hospital Episode Statistics dataset supplemented by the more...