SARS-CoV-2 infection and hospitalization among adults aged ≥18 years, by vaccination status, before and during SARS-CoV-2 B.1.1.529 (Omicron) Variants predominance — Los Angeles County, California, November 7, 2021–January 8, 2022

Danza, Phoebe; Koo, Tae Hee; Haddix, Meredith; Fisher, Rebecca; Traub, Elizabeth; OYong, Kelsey; Balter, Sharon

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SARS-CoV-2 infection and hospitalization among adults aged ≥18 years, by vaccination status, before and during SARS-CoV-2 B.1.1.529 (Omicron) Variants predominance — Los Angeles County, California, November 7, 2021–January 8, 2022

February 1, 2022
By Danza, Phoebe ; Koo, Tae Hee ; Haddix, Meredith ; ...
Series: MMWR; v. 71, ER, 2/1/22

[PDF-274.04 KB]

English

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Details:

Personal Author:

Danza, Phoebe ; Koo, Tae Hee ; Haddix, Meredith ; Fisher, Rebecca ; Traub, Elizabeth ; ... More +

Danza, Phoebe ; Koo, Tae Hee ; Haddix, Meredith ; Fisher, Rebecca ; Traub, Elizabeth ; OYong, Kelsey ; Balter, Sharon Less -
Corporate Authors:

Los Angeles County, CA ; Dept. of Public Health ; Acute Communicable Disease Control Program

Los Angeles County, CA ; Dept. of Public Health ; Acute Communicable Disease Control Program Less -
Description:

What is already known about this topic? COVID-19 vaccines are highly effective against severe SARS-CoV-2–associated outcomes, including those caused by the Delta Variants.

What is added by this report? As of January 8, 2022, during Omicron predominance, COVID-19 incidence and hospitalization rates in Los Angeles County among unvaccinated persons were 3.6 and 23.0 times, respectively, those of fully vaccinated persons with a booster, and 2.0 and 5.3 times, respectively, those among fully vaccinated persons without a booster. During both Delta and Omicron predominance, incidence and hospitalization rates were highest among unvaccinated persons and lowest among vaccinated persons with a booster.

What are the implications for public health practice? Being up to date with COVID-19 vaccination is critical to protecting against SARS-CoV-2 infection and hospitalization.

Suggested citation for this article: Danza P, Koo TH, Haddix M, et al. SARS-CoV-2 Infection and Hospitalization Among Adults Aged ≥18 Years, by Vaccination Status, Before and During SARS-CoV-2 B.1.1.529 (Omicron) Variant Predominance — Los Angeles County, California, November 7, 2021–January 8, 2022. MMWR Morb Mortal Wkly Rep. ePub: 1 February 2022. MMWR Morb Mortal Wkly Rep. ePub: 7 January 2022.

mm7105e1.htm?s_cid=mm7105e1_w

mm7105e1-H.pdf
Subjects:

[+]

Adolescent Adult Aged Aged, 80 And Over CoronaVirus Infections COVID-19 COVID-19 Vaccines Female Hospitalization Humans Incidence Male Middle Aged Pandemics Population Surveillance SARS-CoV-2/Genetics Vaccination Young Adult
Series:

MMWR; v. 71, ER, 2/1/22
Document Type:

Journal Article
Place as Subject:

Los Angeles, CA
Collection(s):

Morbidity and Mortality Weekly Report (MMWR)
Main Document Checksum:

[+]

urn:sha256:c4323a56d41958a2bd63c82c6041cacd5fb5ac61ec1adb4bd9bab039edf9bd12
Download URL:

https://stacks.cdc.gov/view/cdc/113965/cdc_113965_DS1.pdf
File Type:

mm7105e1.htm

htm

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