Table 2.

Patient-related vulnerability to COVID19 pandemic in mental health population

Vulnerability	Mechanism	Cause of reduced life expectancy
Somatic	• Schizophrenia, bipolar disorder, depression, anxiety disorder, or autism	• Higher risk of pneumococcal infections
	• Cross immuno-genetic vulnerability • Risk factors for severity of COVID-19 infection	• Lower capacity to defend themselves against infections • Comorbidities: cardiovascular, pulmonary pathologies, diabetes, obesity, smoking tobacco
Cognitive and behavioral	• Compliance to follow mitigation and advices and treatment • Delusional interpretation	• Relapse with psychiatric symptoms • Exposition to virus increase • Lower response to treatment
Psychosocial	• Social isolation • Precarious housing • Little solidarity network • Low income • Forensic	• Sub-optimal monitoring of health and mitigation • Vulnerability of prison psychiatric populations