“…These professions, considered essential, have not been exempt from the stress caused by COVID-19 in society; they have had to perform their work anomalously due to the pandemic, experiencing alterations in their usual tasks. In these circumstances, the Armed Forces, the FFCCSE, and the FFCCS have had to work, facing a situation that could affect their mental health and they have been at greater risk of stress because of the long exposure to the virus [19][20][21] and the new policies adopted to improve coexistence and protection of citizens when they needed them most. In this situation, there are two vital aspects to consider: if, in this pandemic context, the stress factors related to work changed, and if the level of stress of the security forces has increased [19].Under these circumstances, while the population was kept in confinement after the declaration of a state of alarm by the Spanish government, these workers had to continue working, while new stressors emerged: new protocols of action, changes in shifts, lack of personal protective equipment (PPE, including lack of hydroalcoholic gels and gloves), infected colleagues, lack of PCR (polymerase chain reaction) tests, and an increasing number of deaths every day.…”