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Assessing Community Vulnerability over 3 Waves of COVID-19 Pandemic, Hong Kong, China

Qiuyan Liao, Meihong Dong, Jiehu Yuan

    Emerging Infectious Diseases
    |June 21, 2021
    PubMed

    Insights

    A new community vulnerability index, using local socioeconomic and demographic data, identified high-risk areas for coronavirus disease (COVID-19). Vulnerable districts experienced more cases during widespread outbreaks, particularly in the third pandemic wave.

    Area of Science:

    • Epidemiology
    • Public Health
    • Socioeconomics

    Background:

    • The coronavirus disease (COVID-19) pandemic disproportionately affected communities based on socioeconomic and demographic factors.
    • Understanding geographical and social disparities in disease transmission is crucial for targeted public health interventions.

    Purpose of the Study:

    • To develop and validate a community vulnerability index for COVID-19.
    • To analyze the correlation between community vulnerability and COVID-19 case counts across different pandemic waves in Hong Kong.

    Main Methods:

    • Construction of a micro district-level community vulnerability index using socioeconomic and demographic data.
    • Correlation analysis between the index and COVID-19 case counts during three distinct pandemic waves.
    • Geospatial analysis of vulnerability and case distribution in Hong Kong.

    Main Results:

    • A significant correlation was observed between higher community vulnerability and increased COVID-19 case counts.
    • The association between vulnerability and case counts was most pronounced during the third wave, characterized by widespread community transmission.
    • Micro district-level analysis revealed specific areas with heightened vulnerability and disease burden.

    Conclusions:

    • Community vulnerability, as measured by socioeconomic and demographic factors, is a significant predictor of COVID-19 burden.
    • Targeted interventions in vulnerable districts are essential for mitigating disease spread during pandemics.
    • The developed index can serve as a tool for public health planning and resource allocation.

    Keywords:
    2019 novel coronavirus diseaseCOVID-19ChinaHong KongSARS-CoV-2community vulnerabilitycoronaviruscoronavirus diseasecoronavirus infectionpandemic impactpandemicssevere acute respiratory syndrome coronavirus 2vaccine-preventable diseasesviruseszoonoses

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