Evolution of Posttraumatic Symptoms and Related Factors in Healthcare Workers During the COVID-19 Pandemic: A Longitudinal Study.

Objective: This study aimed to (1) evaluate the evolution of mental health (posttraumatic stress symptoms [PTSSs], depression, and burnout) of healthcare workers during the second wave of the pandemic (November to December 2020) and compare it with the first wave (March to May 2020), and (2) ascertain the predictors of PTSSs.

Methods: In March to May 2020 (T1), 269 healthcare professionals working in Spain completed PTSSs, sadness, resilience, and coping questionnaires. In November to December 2020 (T2, N = 58), we assessed PTSSs, sadness, burnout, and depression.