Medical apparatus in the nature of protective barriers for placement around patients; Medical apparatus in the nature of protective barriers for placement around patients for infection control purposes; Protective barriers in the nature of medical drapes; Portable patient isolation units in the nature of protective barriers for placement around patients for infection control purposes; Medical apparatus for preventing chemical and biological and radiological particulate cross-contamination between an enclosed patient and the external environment during evacuation and transport activities; Chemical, biological, and radiological containers especially adapted for isolation and containment of medical waste; Bags especially adapted for disposal and transport of medical waste in the form of contaminated human remains; Stretchers; Medical stretchers; Patient stretchers; Stretchers for patient transport; Patient litters in the nature of stretchers