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- Title
Vaccine Effectiveness against SARS-CoV-2 among Household Contacts during Omicron BA.2--Dominant Period, Japan.
- Authors
Tsuyoshi Ogata; Hideo Tanaka; Akemi Kon; Noriko Sakaibori; Emiko Tanaka
- Abstract
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
JAPAN; VACCINE effectiveness; SARS-CoV-2 Omicron variant; SARS-CoV-2; COVID-19; COVID-19 pandemic
- Publication
Emerging Infectious Diseases, 2024, Vol 30, Issue 7, p1430
- ISSN
1080-6040
- Publication type
Article
- DOI
10.3201/eid3007.230968