covid-19 high demand and shortage of ventilators in hospitals. exhausted doctor holding ventilator

alert assistant breath breathing care cases caucasian coronavirus covid19 crisis critical demand devices difficulties disease distress doctor equipment face health healthcare highly infected infectious lack male man mask mechanical medical mild mouth nasal need noninvasive nurse organization out outbreak oxygen pandemic patient piece pneumonia professional respiratory run sarscov2 severe shortage supplies support symptoms syndrome tired ventilation ventilator worker world worried