Airborne Infection: Transmission and Control

air changes air hygiene airborne contagion airborne infection airborne organisms airborne particles animals approximately Asian influenza average bacteria bacteria-bearing particles breathed carriers ceptibles classroom concentration control of airborne count curve density of susceptibles disease disinfection disseminators dust particles dustborne infection ecological population effective contact rate epidemic epidemiologic evaporation exposed factors ft per minute groups guinea pigs hospital host importance infectious droplet nuclei infectious particles infectors inhaled irradiation large numbers liberated Lidwell lung measles melioidosis number of organisms number of particles number of susceptibles occupied places occurs outbreak patients Pleasantville pneumococcus possible removed by ventilation respiratory infection sampler sampling sanitary ventilation settling velocity single enclosed atmosphere sneezing sputum staphylococci statistical population streptococci Streptococcus viridans susceptible tissue Swarthmore High School Table threshold density tion total number tubercle bacilli ultraviolet irradiation ultraviolet light unirradiated upper air irradiation upper respiratory tract volume of air ward air