Effectiveness of Maternal Inactivated COVID-19 Vaccination against Omicron Infection in Infants during the First 12 Months of Life: A Test-Negative Case-Control Study

• Published in: Vaccines (Basel) Vol. 11; no. 9; p. 1402
• Main Authors: Zhong, Jiayi, Wang, Wen, Liu, Shuang, Chen, Yifei, Xiong, Husheng, Meng, Xiang, Zhang, Dingmei, Ma, Yu
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 22.08.2023; MDPI
• Subjects: Antibodies; Asymptomatic; COVID-19; COVID-19 vaccines; Deactivation; Disease control; Disease prevention; Effectiveness; Health aspects; Health surveillance; infant infection; Infants; Infections; Management information systems; maternal COVID-19 vaccination; Mothers; Multiple births; Newborn babies; Pregnancy; Sample size; SARS-CoV-2; Scandals; Severe acute respiratory syndrome coronavirus 2; Subgroups; vaccine effectiveness; Vaccine efficacy; Vaccines; Variance analysis; Viral diseases; Viral infections; Womens health; China; Guangdong China

This study aims to evaluate the effectiveness of maternal inactivated COVID-19 vaccination before delivery for infants against Omicron infection in Guangzhou, China. A test-negative case-control design was conducted. This study selected infants born from 1 November 2021 to 23 November 2022 and teste...