April 26, 2022, Vol 327, No. 16, Pages 1527-1624
Secondary Attack Rates for Omicron and Delta Variants of SARS-CoV-2 in Norwegian Households
Silje B. Jørgensen, MD, PhD; Karin Nygård, PhD; Oliver Kacelnik, MD, PhD; et al.
free access has active quiz
JAMA. 2022;327(16):1610-1611. doi:10.1001/jama.2022.3780
This nationwide registry data study from Norway assesses the secondary attack rate of SARS-CoV-2 variants Delta and Omicron in an effort to estimate the transmissibility of the Omicron variant.