Surveillance of SARS-CoV-2 infection based on self-administered swabs, Denmark, May to July 2022: evaluation of a pilot study

Statens Serum Institute (SSI) developed a pilot project for a home-based surveillance system to investigate whether a cohort of individuals performing self-swabbing for SARS-CoV-2 PCR analysis and answering symptom questionnaires can support or replace other existing surveillance systems. A test system of this kind has perspectives far beyond COVID-19 surveillance and can aid the preparedness for a future pandemic situation where rapid and efficient testing of the community is important. Here, Fogh et al to assess if the system could be used to monitor trends, describe symptoms, detect household transmission and assess circulating variants of SARS-CoV-2 and evaluate the test system setup including participation rate and adherence and to identify improvement possibilities.