SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts

SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts

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...

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Bibliographic Details
Main Authors: Reiko Miyahara, Kosuke Tamura, Tomoko Kato, Mineko Nakazaki, Kanako Otani, Yura K. Ko, Taro Kamigaki, Yuzo Arima, Hideki Tani, Kazunori Oishi, Motoi Suzuki
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2023-08-01
Series:Emerging Infectious Diseases
Subjects:
COVID-19
2019 novel coronavirus disease
coronavirus disease
severe acute respiratory syndrome coronavirus 2
SARS-CoV-2
viruses
Online Access:https://wwwnc.cdc.gov/eid/article/29/8/22-1582_article

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