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

Details

• Alternative Title:
  Emerg Infect Dis
• Personal Author:
  Ogata, Tsuyoshi ; Tanaka, Hideo ; Kon, Akemi ; Sakaibori, Noriko ; Tanaka, Emiko
• 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

  More +
• 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:
  [PDF - 447.71 KB ]