Surgery Question 19: What kind of personal protective equipment (PPE) measures are taken during a COVID-19 negative thoracic surgical procedure? (Answer rate 399/409, 97.5%) (Fig. 2) A total of 41% of respondents reported that all staff in the operating room used only standard equipment whereas the other respondents used filtering facepiece mask, aerosol filtration type 2 masks and other PPE measures. Question 20: What kind of PPE measures are taken during a COVID-19 positive thoracic surgical procedure? (Answer rate 395/409, 96.5%) (Fig. 2) Over half of the respondents (53%) used full PPE.