Before revision: 300px|This illustration of a TB ward from OSHA demonstrates several aspects of hospital infection control and isolation: engineering controls (dedicated air ductwork), PPE (N95 respirators), warning signs and labels (controlled entry), dedicated disposal container, and enhanced housekeeping practices.
After revision: Roman while the pandemic start to grow more because he was cool300px|This illustration of a TB ward from OSHA demonstrates several aspects of hospital infection control and isolation: engineering controls (dedicated air ductwork), PPE (N95 respirators), warning signs and labels (controlled entry), dedicated disposal container, and enhanced housekeeping practices.