Abstract
The aim of the study is to compare the prevalence of latent tuberculosis infection and tuberculosis (TB) in the prepandemic period (2017-2019) with the pandemic period (2020-2022), in a group of healthcare workers (HCWs). This is a retrospective study. Data on TB diagnosis was retrieved from the hospital information system database. All HCWs who underwent tuberculin skin test (TST) from January 2017 to December 2022 were included in the study. In the prepandemic period (2017-2019), 163 HCWs out of 710 were TST positive (22.9%), and in the pandemic period (2020-2022), 85 HCWs out of 449 were TST positive (18.9%) ( P = 0.11). There were 10 HCWs diagnosed with TB in the prepandemic period (incidence: 41.7/100,000) and 2 in the pandemic period (incidence: 8.3/100,000) ( P < 0.0001). This study showed that TB incidence was reduced during the pandemic period in HCWs. TST positivity was also reduced, though not statistically significant.
Published Version
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