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Secondary Attack Rate, Transmission and Incubation Periods, and Serial Interval of SARS-CoV-2 Omicron Variant, Spain.
Emerg Infect Dis ; 28(6): 1224-1228, 2022 06.
Article in English | MEDLINE | ID: covidwho-1785299
ABSTRACT
Contact tracing data of SARS-CoV-2 Omicron variant cases during December 2021 in Cantabria, Spain, showed increased transmission (secondary attack rate 39%) compared with Delta cases (secondary attack rate 26%), uninfluenced by vaccination status. Incubation and serial interval periods were also reduced. Half of Omicron transmissions happened before symptom onset in the index case-patient.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study Topics: Vaccines / Variants Limits: Humans Country/Region as subject: Europa Language: English Journal: Emerg Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study Topics: Vaccines / Variants Limits: Humans Country/Region as subject: Europa Language: English Journal: Emerg Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article