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COVID-19 Breakthrough Infection Among Vaccinated Population in the United Arab Emirates

Nihar Ranjan Dash1, Hiba Jawdat Barqawi2, Anas A Obaideen3

  • 1Clinical Sciences Department, College of Medicine, University of Sharjah, 27272, Sharjah, United Arab Emirates. ndash@sharjah.ac.ae.

Journal of Epidemiology and Global Health
|February 16, 2023
PubMed

Insights

In the UAE, over 32% of vaccinated individuals experienced COVID-19 breakthrough infections, primarily mild cases in young adults. Booster doses may be crucial for sustained protection against Coronavirus Disease 2019.

Area of Science:

  • Epidemiology
  • Infectious Diseases
  • Public Health

Background:

  • Mass vaccination campaigns have not fully prevented Coronavirus Disease 2019 (COVID-19) outbreaks globally.
  • The characteristics of COVID-19 breakthrough infections in the United Arab Emirates (UAE) are not well-documented despite high vaccine coverage.
  • Understanding these infections is crucial for public health strategies.

Purpose of the Study:

  • To determine the incidence and characteristics of COVID-19 breakthrough infections in the vaccinated population of the UAE.
  • To identify risk factors associated with breakthrough infections.

Main Methods:

  • A descriptive cross-sectional study was conducted in the UAE from February to March 2022.
  • Data from 1533 vaccinated participants were analyzed to examine COVID-19 breakthrough infections.

Main Results:

  • Vaccination coverage in the study population was 97.97%.
  • The COVID-19 breakthrough infection rate was 32.1%, with 7.7% requiring hospitalization.
  • Most breakthrough infections occurred in young adults (67%), with predominantly mild to moderate symptoms (70.7%) or asymptomatic cases (21.5%).

Conclusions:

  • Breakthrough infections were more common in younger individuals, males, non-healthcare workers, those vaccinated with Sinopharm, and individuals who did not receive a booster dose.
  • Findings suggest a need for potential additional booster doses to enhance protection.
  • This information can inform public health policy in the UAE regarding COVID-19 management.
Abstract

Keywords:
Breakthrough infectionsCOVID-19Covid vaccinePfizer-BioNTechSinopharm BBIBP-CorVUAE

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