Aerosols

A mass flow of air through open stomata on leaves [29] could internalize floating aerosol-sized particles including bacteria and viruses. Such aerosols can disperse long distances from sources. Fattal et al. [37] detected aerosolized enteric bacteria and viruses as far as 730 m downwind of wastewater sprinkler irrigated field plots (note that the authors did not attempt detection at greater than 730 m). Gottwald et al. [38] concluded that in the spread of citrus canker, the pathogenic bacteria could be dispersed as an aerosol, in leaf debris, or wind-driven rainfall more than 5 miles by a single severe rainstorm.

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