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Nosocomial outbreak caused by the SARS-CoV-2 Delta variant in a highly vaccinated population, Israel, July 2021.
Shitrit, Pnina; Zuckerman, Neta S; Mor, Orna; Gottesman, Bat-Sheva; Chowers, Michal.
  • Shitrit P; Infection Control Unit, Meir Medical Center, Kfar Saba, Israel.
  • Zuckerman NS; Sackler Medical School, Tel-Aviv University, Tel-Aviv Israel.
  • Mor O; Central Virology Laboratory, Ministry of Health, Chaim Sheba Medical Center, Tel-Hashomer, Israel.
  • Gottesman BS; Central Virology Laboratory, Ministry of Health, Chaim Sheba Medical Center, Tel-Hashomer, Israel.
  • Chowers M; Department of Epidemiology and Preventive Medicine, School of Public Health, Sackler Faculty of Medicine, Tel-Aviv University, Israel.
Euro Surveill ; 26(39)2021 09.
Article in English | MEDLINE | ID: covidwho-1448679
ABSTRACT
A nosocomial outbreak of SARS-CoV-2 Delta variant infected 42 patients, staff and family members; 39 were fully vaccinated. The attack rate was 10.6% (16/151) among exposed staff and reached 23.7% (23/97) among exposed patients in a highly vaccinated population, 16-26 weeks after vaccination (median 25 weeks). All cases were linked and traced to one patient. Several transmissions occurred between individuals wearing face masks. Fourteen of 23 patients became severely sick or died, raising a question about possible waning immunity.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cross Infection / COVID-19 Type of study: Observational study / Randomized controlled trials Topics: Vaccines / Variants Limits: Humans Country/Region as subject: Asia Language: English Journal subject: Communicable Diseases Year: 2021 Document Type: Article Affiliation country: 1560-7917.ES.2021.26.39.2100822

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cross Infection / COVID-19 Type of study: Observational study / Randomized controlled trials Topics: Vaccines / Variants Limits: Humans Country/Region as subject: Asia Language: English Journal subject: Communicable Diseases Year: 2021 Document Type: Article Affiliation country: 1560-7917.ES.2021.26.39.2100822