Vaccine Effectiveness against SARS-CoV-2 among Household Contacts during Omicron BA.2–Dominant Period, Japan

Ogata, Tsuyoshi; Tanaka, Hideo; Kon, Akemi; Sakaibori, Noriko; Tanaka, Emiko

doi:10.3201/eid3007.230968

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Vaccine Effectiveness against SARS-CoV-2 among Household Contacts during Omicron BA.2–Dominant Period, Japan

7-2024
By Ogata, Tsuyoshi ; Tanaka, Hideo ; Kon, Akemi ; ...
http://dx.doi.org/10.3201/eid3007.230968
Source: Emerg Infect Dis. 2024; 30(7):1430-1433

[PDF-447.71 KB]

English

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Details:

Alternative Title:

Emerg Infect Dis
Personal Author:

Ogata, Tsuyoshi ; Tanaka, Hideo ; Kon, Akemi ; Sakaibori, Noriko ; Tanaka, Emiko

Ogata, Tsuyoshi ; Tanaka, Hideo ; Kon, Akemi ; Sakaibori, Noriko ; Tanaka, Emiko Less -
Description:

We calculated attack rates for household contacts of COVID-19 patients during the SARS-CoV-2 Omicron BA.2-dominant period in Japan. Attack rates among household contacts without recent (<3 months) vaccination was lower for contacts of index patients with complete vaccination than for contacts of index patients without complete vaccination, demonstrating indirect vaccine effectiveness.
Subjects:

[+]

Contact Tracing COVID-19 COVID-19 Vaccines Family Characteristics Female Male SARS-CoV-2 Vaccination Vaccine Efficacy
Keywords:

[+]

Attack Rate BA.2 Contact Tracing Coronavirus Coronavirus Disease COVID-19 Vaccines Household Contact Incidence Infectiousness Japan Omicron Respiratory Diseases Risk Factors SARS-CoV-2 Variants Vaccine Effectiveness Vaccine Efficacy Viruses Zoonoses
Source:

Emerg Infect Dis. 2024; 30(7):1430-1433
Pubmed ID:

38916601
Pubmed Central ID:

PMC11210665
Document Type:

Journal Article
Genre:

Dispatch
Place as Subject:

Japan
Volume:

30
Issue:

7
Collection(s):

Emerging Infectious Diseases
Main Document Checksum:

[+]

urn:sha256:37ac88261989f6d5e7b35f092006f50970500b0f8f15a44b796e9229f2ce0ab5
Download URL:

https://stacks.cdc.gov/view/cdc/158091/cdc_158091_DS1.pdf
File Type:

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	23-0968-F.jpg	jpeg
	23-0968-Techapp-s1.pdf	pdf
	23-0968.nxml	xml

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