Use of surveillance data to elucidate household clustering of SARS-CoV-2 in Fulton County, Georgia a major metropolitan area.
Ann Epidemiol
; 76: 121-127, 2022 Dec.
Article
in English
| MEDLINE | ID: covidwho-2060388
ABSTRACT
BACKGROUND:
Households are important for SARS-CoV-2 transmission due to high intensity exposure in enclosed spaces over prolonged durations. We quantified and characterized household clustering of COVID-19 cases in Fulton County, Georgia.METHODS:
We used surveillance data to identify all confirmed COVID-19 cases in Fulton County. Household clustered cases were defined as cases with matching residential address. We described the proportion of COVID-19 cases that were clustered, stratified by age over time and explore trends in age of first diagnosed case within households and subsequent household cases.RESULTS:
Between June 1, 2020 and October 31, 2021, 31,449(37%) of 106,233 cases were clustered in households. Children were the most likely to be in household clusters than any other age group. Initially, children were rarely (â¼ 10%) the first cases diagnosed in the household but increased to almost 1 of 3 in later periods.DISCUSSION:
One-third of COVID-19 cases in Fulton County were part of a household cluster. Increasingly children were the first diagnosed case, coinciding with temporal trends in vaccine roll-out among the elderly and the return to in-person schooling in Fall 2021. Limitations include restrictions to cases with a valid address and unit number and that the first diagnosed case may not be the infection source for the household.Keywords
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
SARS-CoV-2
/
COVID-19
Type of study:
Observational study
Topics:
Vaccines
Limits:
Aged
/
Child
/
Humans
Country/Region as subject:
North America
Language:
English
Journal:
Ann Epidemiol
Journal subject:
Epidemiology
Year:
2022
Document Type:
Article
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