Table 1 The used search terms

nurs*, midwife* physician*, “medical staff”, “healthcare practitioner*”, “healthcare professional*”, “health professional*”, “health practitioner*”, “health personnel”, “health care provider*”, “healthcare worker*”, “healthcare student*”, “nurse student”, “medical student”, “healthcare trainee”, “nurse trainee”, “medical trainee”

AND

“Second victim*”, experience*, feelings*, response*, psychological, emotion*, trauma*, “psychosomatic symptom*”, resilience*, “mental health”, well-being, “adaptative response”, “acute stress”, distress, stress*

AND

support* OR coping* OR psychological first aid*

AND

“COVID-19”, “SARS-CoV*”, “Coronavirus 2019*”, SARS*, MERS*, “MERS-CoV”, “coronavirus disease”

AND

impact, effect*, intervention*, implement*