SARS-CoV-2 seroprevalence and transmission risk factors among high-risk close contacts: a retrospective cohort study

The Lancet Infectious Diseases - Tập 21 - Trang 333-343 - 2021
Oon Tek Ng1,2,3, Kalisvar Marimuthu1,4,2,5, Vanessa Koh1,2, Junxiong Pang6, Kyaw Zaw Linn1,2, Jie Sun6, Liang De Wang1,2, Wan Ni Chia7, Charles Tiu7, Monica Chan1,2, Li Min Ling1,2, Shawn Vasoo1,2, Mohammad Yazid Abdad1,2, Po Ying Chia1,2,3, Tau Hong Lee1,2, Ray Junhao Lin1,2, Sapna P Sadarangani1,2,3, Mark I-Cheng Chen6, Zubaidah Said8, Lalitha Kurupatham8
1National Centre for Infectious Diseases, Singapore
2Tan Tock Seng Hospital, Singapore
3Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
4Woodlands Health Campus, National Healthcare Group, Singapore
5Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore
6Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore
7Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
8Communicable Diseases Division, Ministry of Health, Singapore

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