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July 26, 2026COVIDOpen Access

Temporal Evolution of COVID-19 Transmission Indicators in Tunisia During the First Three Years of the Pandemic: A Prospective Descriptive Study, 2020–2022

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Authors

EMEmna MziouAHAicha HchaichiHLHejer Letaief

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Overview

Prospective descriptive study describes COVID-19 evolution in Tunisia, indicating the importance of monitoring transmission indicators.

Key Points

  • This study aims to describe the epidemiological evolution of COVID-19 in Tunisia from March 2020 to December 2022 and analyze changes in transmission indicators.
  • Nationwide longitudinal descriptive study using prospectively collected surveillance data of laboratory-confirmed COVID-19 cases from March 2020 to December 2022.
  • Descriptive analyses estimated screening rates, positivity rates, cumulative incidence rates, and effective reproduction number (Rt).
  • Cumulative incidence was 9562.05 cases per 100,000 inhabitants over the three years.
  • Mean daily screening rate was 38.23 tests per 100,000 inhabitants and average positivity rate reached 16.03%.
  • Mean effective reproduction number (Rt) was estimated at 1.14 (95% CI: 1.11–1.17).

Cite This Study

Mziou et al. (2026) studied this question.

synapsesocial.com/papers/6a65a91fd3aea3239cd79183https://doi.org/10.3390/covid6080133
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