Serial Intervals for SARS-CoV-2 Omicron and Delta Variants, Belgium, November 19-December 31, 2021.

Kremer, Cécile; Braeye, Toon; Proesmans, Kristiaan; André, Emmanuel; Torneri, Andrea; Hens, Niel

Kremer, Cécile; Braeye, Toon; Proesmans, Kristiaan; André, Emmanuel; Torneri, Andrea; Hens, Niel.

Emerg Infect Dis ; 28(8): 1699-1702, 2022 08.

Article in English | MEDLINE | ID: covidwho-1902888

ABSTRACT

ABSTRACT

We investigated the serial interval for SARS-CoV-2 Omicron BA.1 and Delta variants and observed a shorter serial interval for Omicron, suggesting faster transmission. Results indicate a relationship between empirical serial interval and vaccination status for both variants. Further assessment of the causes and extent of Omicron dominance over Delta is warranted.

Subject(s)

COVID-19; SARS-CoV-2; Belgium/epidemiology; COVID-19/epidemiology; COVID-19/virology; Humans; SARS-CoV-2/genetics; Vaccination/statistics & numerical data

Keywords

Belgium; COVID-19; SARS-CoV-2; coronavirus disease; respiratory infections; serial interval; severe acute respiratory syndrome coronavirus 2; vaccine-preventable diseases; variants of concern; viruses; zoonoses

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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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