Not familiar with COVID specific examples but this approach is called the "network scale-up method" for estimating hard to reach populations (e.g., pubmed.ncbi.nlm.nih.gov/37994314/)

Medical School Establishes Center for Computational and Social Sciences in Health - News Center Northwestern University Feinberg School of Medicine has established the Center for Computational and Social Sciences in Health (COMPASS), which aims to foster connection and bridge data science, socia...

Congratulations to ISGMH's Michelle Birkett and Patrick Janulis on establishing the Center for Computational and Social Sciences in Health at Northwestern! The center will bridge the fields of data science, social science, and population health. news.feinberg.northwestern.edu/2024/11/21/m...