Behavioral factors and SARS-CoV-2 transmission heterogeneity within a household cohort in Costa Rica
Behavioral factors and SARS-CoV-2 transmission heterogeneity within a household cohort in Costa Rica
Abstract Variability in household secondary attack rates (SAR) and transmission risks factors of SARS-CoV-2 remain poorly understood. To characterize SARS-CoV-2 transmission in a household setting, we conducted a household serologic study of SARS-CoV-2 in Costa Rica, with SARS-CoV-2 index cases selected from a larger prospective cohort study and their household …