Relationship of close contact settings with transmission and infection during the SARS-CoV-2 Omicron BA.2 epidemic in Shanghai.
Wenlong ZhuShiying YuanShenghua MaoJian ChenYaxu ZhengXianjin JiangXiao YuChenyan JiangQiwen FangWei-Bing WangZheng'an YuanYe YaoPublished in: BMJ global health (2023)
Farmers' markets and households were the main setting for transmission of Omicron. Children, the elderly, delivery workers and public service workers had the highest risk for transmission and infection. These findings should be considered when implementing targeted interventions.