Vaccine effectiveness against SARS-CoV-2 transmission and infections among household and other close contacts of confirmed cases, the Netherlands, February to May 2021

Brechje de Gier*, Stijn Andeweg, Rosa Joosten, Ronald ter Schegget, Naomi Smorenburg, Jan van de Kassteele, RIVM COVID-19 epidemiology and surveillance team, Susan J.M. Hahné, Susan van den Hof, Hester E. de Melker, Mirjam J. Knol

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)
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Abstract

Several studies report high effectiveness of COVID-19 vaccines against SARS-CoV-2 infection and severe disease, however an important knowledge gap is the vaccine effectiveness against transmission (VET). We present estimates of the VET to household and other close contacts in the Netherlands, from February to May 2021, using contact monitoring data. The secondary attack rate among household contacts was lower for fully vaccinated than unvaccinated index cases (11% vs 31%), with an adjusted VET of 71% (95% confidence interval: 63-77).

Original languageEnglish
Article number2100640
Number of pages7
JournalEurosurveillance
Volume26
Issue number31
DOIs
Publication statusPublished - 5 Aug 2021

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health
  • Virology

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