SARS-CoV-2 变异株与家庭内和家庭外接触者中年龄相关的感染率。
SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts.
出版信息
Emerg Infect Dis. 2023 Aug;29(8):1648-1650. doi: 10.3201/eid2908.221582. Epub 2023 Jun 21.
Abstract
To determine the effects of age and variants of concern on transmission of SARS-CoV-2, we analyzed infection rates among close contacts over 4 periods in Toyama Prefecture, Japan. Among household contacts, odds of infection were 6.2 times higher during the period of the Omicron variant than during previous periods, particularly among children and adolescents.
摘要
为了确定年龄和关注变体对 SARS-CoV-2 传播的影响，我们分析了日本富山县在 4 个时期内密切接触者的感染率。在家庭接触者中，感染奥密克戎变体的几率比前几个时期高 6.2 倍，尤其是儿童和青少年。
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