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 p...

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Autores principales: Miyahara, Reiko, Tamura, Kosuke, Kato, Tomoko, Nakazaki, Mineko, Otani, Kanako, Ko, Yura K., Kamigaki, Taro, Arima, Yuzo, Tani, Hideki, Oishi, Kazunori, Suzuki, Motoi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Centers for Disease Control and Prevention 2023
Materias:
Dispatch
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10370865/
https://www.ncbi.nlm.nih.gov/pubmed/37343546
http://dx.doi.org/10.3201/eid2908.221582
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author Miyahara, Reiko
Tamura, Kosuke
Kato, Tomoko
Nakazaki, Mineko
Otani, Kanako
Ko, Yura K.
Kamigaki, Taro
Arima, Yuzo
Tani, Hideki
Oishi, Kazunori
Suzuki, Motoi
author_facet Miyahara, Reiko
Tamura, Kosuke
Kato, Tomoko
Nakazaki, Mineko
Otani, Kanako
Ko, Yura K.
Kamigaki, Taro
Arima, Yuzo
Tani, Hideki
Oishi, Kazunori
Suzuki, Motoi
author_sort Miyahara, Reiko
collection PubMed
description 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.
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spelling pubmed-103708652023-08-01 SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts Miyahara, Reiko Tamura, Kosuke Kato, Tomoko Nakazaki, Mineko Otani, Kanako Ko, Yura K. Kamigaki, Taro Arima, Yuzo Tani, Hideki Oishi, Kazunori Suzuki, Motoi Emerg Infect Dis Dispatch 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. Centers for Disease Control and Prevention 2023-08 /pmc/articles/PMC10370865/ /pubmed/37343546 http://dx.doi.org/10.3201/eid2908.221582 Text en https://creativecommons.org/licenses/by/4.0/Emerging Infectious Diseases is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.
spellingShingle Dispatch
Miyahara, Reiko
Tamura, Kosuke
Kato, Tomoko
Nakazaki, Mineko
Otani, Kanako
Ko, Yura K.
Kamigaki, Taro
Arima, Yuzo
Tani, Hideki
Oishi, Kazunori
Suzuki, Motoi
SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts
title SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts
title_full SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts
title_fullStr SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts
title_full_unstemmed SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts
title_short SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts
title_sort sars-cov-2 variants and age-dependent infection rates among household and nonhousehold contacts
topic Dispatch
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10370865/
https://www.ncbi.nlm.nih.gov/pubmed/37343546
http://dx.doi.org/10.3201/eid2908.221582
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