Early Warning Surveillance for SARS-CoV-2 Omicron Variants
The SIREN (SARS-CoV-2 immunity and reinfection evaluation) study acts as a surveillance system for COVID-19 and its variants. By Desy Nuryunarsih on behalf of the SIREN Scotland Research Team* It has been 1015 days since the first SIREN participants were recruited for the SIREN UK study. Insight from the SIREN study has proved vital…