AIRBORNE INFECTIONS. HOW THEY SPREAD AND CONTROL PROCEDURES.
D000391:Air Microbiology; D003140:Communicable Disease Control; D006801:Humans; D008397:Masks; D012119:Respiration; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary; D014691:Ventilation
AIR MICROBIOLOGY; COMMUNICABLE DISEASE CONTROL; MASKS; TUBERCULOSIS, PULMONARY; VENTILATION