COVID-19 vaccination and associated factors in Turkish healthcare workers practicing chest medicine

Objective: To evaluate the COVID-19 vaccination status and related characteristics of Turkish healthcare workers practicing chest medicine. Methods: A cross-sectional online survey was conducted among the Turkish Thoracic Society members. The survey was started on May 17, 2021, and kept open for seven weeks. The 39-item survey included the COVID-19 vaccination status and demographic, clinical, and occupational characteristics. Results: Of 378 healthcare workers participated in the survey, 354 (93.7％) reported receiving at least one dose of the COVID-19 vaccine. A total of 323 (91.2％) healthcare workers received CoronaVac vs. BioNTech/Pfizer in 31 (8.8％). In the CoronaVac group, 77 (23.8％) contracted COVID-19 when not fully vaccinated, and 13 (4.0％) when fully vaccinated; however, 16 (51.6％) healthcare workers in the BioNTech/Pfizer group got COVID-19 when not fully vaccinated, but any fully vaccinated participants did not contract COVID-19 (P=0.003). Regarding vaccine dosing, 328 (86.8％) were fully vaccinated, while 50 (13.2％) were not. Multiple regression analysis for being a non-fully vaccinated healthcare worker demonstrated a significant relationship with having any SARS-CoV-2 infection history (adjusted OR 9.57, 95％ CI 3.93-23.26, P<0.001) and being a non-physician healthcare worker (adjusted OR 5.86, 95％ CI 2.11-16.26, P=0.001), but a significant negative relationship with full-time working at the time of survey (adjusted OR 0.13, 95％ CI 0.03-0.56, P=0.006). Conclusions: Although a majority of healthcare workers were fully vaccinated, occupational and non-occupational characteristics were related to being non-fully vaccinated. Active surveillance regarding the COVID-19 vaccination in healthcare workers is necessary to address specific parameters as barriers to vaccination.