Airborne Contagion and Air Hygiene: An Ecological Study of Droplet Infections |
Common terms and phrases
aerodynamic aerosol airborne animals atmosphere atomized average bacilli bacteria becomes breathed cent centrifuge chamber Chapter classrooms collected compared concentration constant contagion contagious contagium count cubic density depends determined developed disease disinfection droplet nuclei dust dust-borne dynamic effective epidemic equivalent experimental experiments exposed exposure factors feet Figure flow foot fraction given glycol grades Hospital humidity hygiene incidence increase indicated infection inhaled irradiation less lethal lethes light liquid lower lung mean measles measured method minute natural observed occupants organisms parasites particles period population potential primary pupils quantitative rabbits radiation reached reaction reduced relative reported represents resistance respiratory response sampling sanitary ventilation settling settling velocity showed spread streptococci surface susceptible suspension Table threshold tion tube tubercle tuberculosis ultraviolet uniform unirradiated unit upper vapor volume ward